The Ko-Ken 3774PS is a flexible ratchet with a 3/8 in square drive. (manufacturer-stated) Length is 175 mm and weight is 250 g. (manufacturer-stated) Where this product is used Tightening and loosening nuts and bolts with 3/8 in drive sockets where a straight ratchet cannot reach Working at an angle in confined engine bays, machinery and assemblies Maintenance and repair work where a reversing action saves repositioning the tool Features 3/8 in square drive (manufacturer-stated) Flexible head that pivots relative to the handle (manufacturer-stated) Reversible ratchet action (manufacturer-stated) Knurling on the grip so the tool can be held securely (manufacturer-stated) Key specifications Specification Detail Drive 3/8 in (manufacturer-stated) Handle Polished Length 175 mm (manufacturer-stated) Weight 250 g (manufacturer-stated) Selecting the right option Match the drive size to your sockets and extension bars, and choose the length to suit the room you have to swing the handle. Ko-ken's catalogue safety notes say that a ratchet is not a hammer, that loose pipes or other improvised attachments should not be added to handles for extra leverage, and that plastic or rubber handles are not intended to act as insulation. (manufacturer-stated) Related products Related Ko-Ken products: Ko-Ken 3774J/N/P Flexible Ratchet, 3/8 in Drive, Ko-Ken 3774JB/NB/PB Flexible Ratchet with Quick Release Button, 3/8 in Drive, Ko-Ken 2774JS-3/8 and 2774PS-3/8 Flexible Ratchet, 3/8 in Drive and Ko-Ken 3768P-380 Hinge Handle, 3/8 in Drive, 380 mm.
The Ko-Ken 3774PS is a flexible ratchet with a 3/8 in square drive. (manufacturer-stated) Length is 175 mm and weight is 250 g. (manufacturer-stated) Where this product is used Tightening and loosening nuts and bolts with 3/8 in drive sockets where a straight ratchet cannot reach Working at an angle in confined engine bays, machinery and assemblies Maintenance and repair work where a reversing action saves repositioning the tool Features 3/8 in square drive (manufacturer-stated) Flexible head that pivots relative to the handle (manufacturer-stated) Reversible ratchet action (manufacturer-stated) Knurling on the grip so the tool can be held securely (manufacturer-stated) Key specifications Specification Detail Drive 3/8 in (manufacturer-stated) Handle Polished Length 175 mm (manufacturer-stated) Weight 250 g (manufacturer-stated) Selecting the right option Match the drive size to your sockets and extension bars, and choose the length to suit the room you have to swing the handle. Ko-ken's catalogue safety notes say that a ratchet is not a hammer, that loose pipes or other improvised attachments should not be added to handles for extra leverage, and that plastic or rubber handles are not intended to act as insulation. (manufacturer-stated) Related products Related Ko-Ken products: Ko-Ken 3774J/N/P Flexible Ratchet, 3/8 in Drive, Ko-Ken 3774JB/NB/PB Flexible Ratchet with Quick Release Button, 3/8 in Drive, Ko-Ken 2774JS-3/8 and 2774PS-3/8 Flexible Ratchet, 3/8 in Drive and Ko-Ken 3768P-380 Hinge Handle, 3/8 in Drive, 380 mm.
Koken Ratchet Flex Polished 3/8" Drive
The Ko-Ken 3774PS is a flexible ratchet with a 3/8 in square drive. (manufacturer-stated) Length is 175 mm and weight is 250 g. (manufacturer-stated) Where this product is used Tightening and loosening nuts and bolts with 3/8 in drive sockets where a straight ratchet cannot reach Working at an angle in confined engine bays, machinery and assemblies Maintenance and repair work where a reversing action saves repositioning the tool Features 3/8 in square drive (manufacturer-stated) Flexible head that pivots relative to the handle (manufacturer-stated) Reversible ratchet action (manufacturer-stated) Knurling on the grip so the tool can be held securely (manufacturer-stated) Key specifications Specification Detail Drive 3/8 in (manufacturer-stated) Handle Polished Length 175 mm (manufacturer-stated) Weight 250 g (manufacturer-stated) Selecting the right option Match the drive size to your sockets and extension bars, and choose the length to suit the room you have to swing the handle. Ko-ken's catalogue safety notes say that a ratchet is not a hammer, that loose pipes or other improvised attachments should not be added to handles for extra leverage, and that plastic or rubber handles are not intended to act as insulation. (manufacturer-stated) Related products Related Ko-Ken products: Ko-Ken 3774J/N/P Flexible Ratchet, 3/8 in Drive, Ko-Ken 3774JB/NB/PB Flexible Ratchet with Quick Release Button, 3/8 in Drive, Ko-Ken 2774JS-3/8 and 2774PS-3/8 Flexible Ratchet, 3/8 in Drive and Ko-Ken 3768P-380 Hinge Handle, 3/8 in Drive, 380 mm.
The Ko-Ken 3774PS is a flexible ratchet with a 3/8 in square drive. (manufacturer-stated) Length is 175 mm and weight is 250 g. (manufacturer-stated) Where this product is used Tightening and loosening nuts and bolts with 3/8 in drive sockets where a straight ratchet cannot reach Working at an angle in confined engine bays, machinery and assemblies Maintenance and repair work where a reversing action saves repositioning the tool Features 3/8 in square drive (manufacturer-stated) Flexible head that pivots relative to the handle (manufacturer-stated) Reversible ratchet action (manufacturer-stated) Knurling on the grip so the tool can be held securely (manufacturer-stated) Key specifications Specification Detail Drive 3/8 in (manufacturer-stated) Handle Polished Length 175 mm (manufacturer-stated) Weight 250 g (manufacturer-stated) Selecting the right option Match the drive size to your sockets and extension bars, and choose the length to suit the room you have to swing the handle. Ko-ken's catalogue safety notes say that a ratchet is not a hammer, that loose pipes or other improvised attachments should not be added to handles for extra leverage, and that plastic or rubber handles are not intended to act as insulation. (manufacturer-stated) Related products Related Ko-Ken products: Ko-Ken 3774J/N/P Flexible Ratchet, 3/8 in Drive, Ko-Ken 3774JB/NB/PB Flexible Ratchet with Quick Release Button, 3/8 in Drive, Ko-Ken 2774JS-3/8 and 2774PS-3/8 Flexible Ratchet, 3/8 in Drive and Ko-Ken 3768P-380 Hinge Handle, 3/8 in Drive, 380 mm.
in 9 offers
The lowest price for Koken Ratchet Flex Polished 3/8" Drive right now is $89.95 at housetradesupplies, compared across 7 retailers.
The all-time low was $79.50 on 22 Sept 2026 — today's price is 13% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 3 Nov 2026.
Last updated at 03/11/2026 01:39:48
Koken 3/8"Dr 175MM Flex Head Polished Ratchet KO3774PS
Delivery between 5–11 Nov $12.90
Ko-Ken 3774PS Flexible Ratchet, 3/8 in Drive, 175 mm
Delivery between 5–12 Nov $12.61
Koken 3774PS 3/8′′ Square Drive Flex Head 175mm 24 Gear Reversible Ratchet - Made in Japan
Delivery between 4–13 Nov $17.95
KOKEN 3/8" short flexible reversible ratchet
Delivery $59.60
Koken 3/8 Inch (9.5 Mm) Sq. Oscillating Ratchet Handle (short/polished
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Koken - 3/8" Drive Flexible Ratchet - PS - 24 Gear | KO3774PS
Delivery between 3–11 Nov $7.95
Ratchet 3/8DR Flex.Head Polished-175MM**
Delivery between 9–13 Nov $7.60
| Included Tools | Ratchet Handle |
| Function | Reversible |
| Torque Range | Exceeds ASME torque performance requirements |
| Power Source | Manual |
| Overall Size | 285 mm (length) |
Koken 3/8"Dr 175MM Flex Head Polished Ratchet KO3774PS
Delivery between 5–11 Nov $12.90
Ko-Ken 3774PS Flexible Ratchet, 3/8 in Drive, 175 mm
Delivery between 5–12 Nov $12.61
Koken 3774PS 3/8′′ Square Drive Flex Head 175mm 24 Gear Reversible Ratchet - Made in Japan
Delivery between 4–13 Nov $17.95
KOKEN 3/8" short flexible reversible ratchet
Delivery $59.60
Koken 3/8 Inch (9.5 Mm) Sq. Oscillating Ratchet Handle (short/polished
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Included Tools | Ratchet Handle |
| Function | Reversible |
| Torque Range | Exceeds ASME torque performance requirements |
| Power Source | Manual |
| Overall Size | 285 mm (length) |