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The lowest price for Ko-Ken 1/2" Drive Extension Bar Set right now is $92.00 at Misaka Co., compared across 12 retailers.
The all-time low was $89.95 on 29 Sept 2026 — today's price is 2% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 20 Oct 2026.
Ko-Ken 1/2" Drive Extension Bar Set
Last updated at 20/10/2026 11:57:46
Yamashita Industrial Research Laboratory Koken PK4760/5 1/2 (12.7 mm) SQ. Extension Bar Set, Set of 5
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!
[PK4760/5] Ko-ken 1/2"(12.7mm)SQ. Extension Bar Set 5-Piece, Set of 5
Delivery $123.65
Koken 1/2"Dr 5PC 50MM-250MM Extension Set KOPK4760/5
Delivery between 23–29 Oct $12.90
Koken PK4760/5 5 Piece 1/2" Square Drive Extension Set 50-250mm - Made in Japan
Delivery between 22 Oct – 2 Nov $17.95
Ko-Ken 5 Piece 1/2" Drive Universal Extension Bar Set - KOPK4760/5
Free delivery
Koken - 1/2" Drive 5 Piece Extension Set - 50mm-250mm | KOPK4760/5
Delivery between 21–29 Oct $7.95
KOKEN 1/2" extension bar set (5 pcs.)
Delivery $75.66
Ko-Ken KOPK4760/5 5pce 1/2" Drive 50mm-250mm Extension Bar Set
Free delivery
Ko-ken Extension Set 50-250mm 1/2 Drive
Free delivery
Yamashita Industrial Research Institute Kknpk4760-5 Koken 1/2 12.7mm
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!
| Design Highlights | Knurled base for a secure grip |
| Storage | With molded ABS storage tray |
Yamashita Industrial Research Laboratory Koken PK4760/5 1/2 (12.7 mm) SQ. Extension Bar Set, Set of 5
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!
[PK4760/5] Ko-ken 1/2"(12.7mm)SQ. Extension Bar Set 5-Piece, Set of 5
Delivery $123.65
Koken 1/2"Dr 5PC 50MM-250MM Extension Set KOPK4760/5
Delivery between 23–29 Oct $12.90
Koken PK4760/5 5 Piece 1/2" Square Drive Extension Set 50-250mm - Made in Japan
Delivery between 22 Oct – 2 Nov $17.95
Ko-Ken 5 Piece 1/2" Drive Universal Extension Bar Set - KOPK4760/5
Free delivery
| Design Highlights | Knurled base for a secure grip |
| Storage | With molded ABS storage tray |
