The Staedtler Mars Triangular Reduction Scale Ruler 561 98 1 is ideal for use by architects. It is made from solid white plastic with two coloured flutings and colour-coded grooves for easy identification of scales. The precision divisions have enumerated both ways with dimension markings in cm and m for easier working. The triangular design of the scale ruler gives a perfect grip that is vital for accuracy when working on technical drawings.
The Staedtler Mars Triangular Reduction Scale Ruler 561 98 1 is ideal for use by architects. It is made from solid white plastic with two coloured flutings and colour-coded grooves for easy identification of scales. The precision divisions have enumerated both ways with dimension markings in cm and m for easier working. The triangular design of the scale ruler gives a perfect grip that is vital for accuracy when working on technical drawings.
Staedtler Triangular Ruler - Scale 1
The Staedtler Mars Triangular Reduction Scale Ruler 561 98 1 is ideal for use by architects. It is made from solid white plastic with two coloured flutings and colour-coded grooves for easy identification of scales. The precision divisions have enumerated both ways with dimension markings in cm and m for easier working. The triangular design of the scale ruler gives a perfect grip that is vital for accuracy when working on technical drawings.
The Staedtler Mars Triangular Reduction Scale Ruler 561 98 1 is ideal for use by architects. It is made from solid white plastic with two coloured flutings and colour-coded grooves for easy identification of scales. The precision divisions have enumerated both ways with dimension markings in cm and m for easier working. The triangular design of the scale ruler gives a perfect grip that is vital for accuracy when working on technical drawings.
in 29 offers
The lowest price for Staedtler Triangular Ruler - Scale 1 right now is $15.60 at PCDepot.com.au, compared across 26 retailers.
The all-time low was $14.20 on 16 Mar 2026 — today's price is 10% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 5 July 2026.
Last updated at 05/07/2026 22:10:54
STAEDTLER 561 98-1BKST Triangular Triangular Din 1: 20, 25, 50, 75, 100, 125 Ruler Scale, (20497)
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!
Staedtler Mars ReductScale Divide1
Delivery between Tue – Thu $12.90
Scale Ruler - Staedtler - No.1 - Triangular 1:20 1:25 1:50 1:75 1:100 1:125
Delivery between 9–13 July $10.39
Staedtler Mars Reduction Scale Ruler Divide1
Delivery between Mon – Wed $7.95
Scale Ruler Staedtler 300mm Triangular 561981 1:20 1:25 1:50 1:75, 1:100 1:125 #561 98-1BK By Ok Office Pty Ltd Australia
Delivery between 9–17 July $11
Staedtler Mars ReductScale Divide1 561 98-1BK
14-day returns
Staedtler Mars ReductScale Divide1
Delivery $13.90
Staedtler Mars ReductScale Divide1
Delivery $15
Staed Mars ReductScale Divide1
Free delivery
ST561981BK - Staed Mars ReductScale Divide1
Delivery $16.50
originally posted on ebay.com
Bought this to replace my worn out 43 year old scale rule!
originally posted on officeworks.com.au
I bought this a month ago and it is great! Perfect for students as it has a hard plastic construction. The only downside is that it can get very dirty when working with lead pencils on drawings. Overall, a great ruler!
| General | |
| Product Type | Scale ruler |
| Colour | White |
| Scale | Architect |
| Features | Colour-coded grooves |
STAEDTLER 561 98-1BKST Triangular Triangular Din 1: 20, 25, 50, 75, 100, 125 Ruler Scale, (20497)
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!
Staedtler Mars ReductScale Divide1
Delivery between Tue – Thu $12.90
Scale Ruler - Staedtler - No.1 - Triangular 1:20 1:25 1:50 1:75 1:100 1:125
Delivery between 9–13 July $10.39
Staedtler Mars Reduction Scale Ruler Divide1
Delivery between Mon – Wed $7.95
Scale Ruler Staedtler 300mm Triangular 561981 1:20 1:25 1:50 1:75, 1:100 1:125 #561 98-1BK By Ok Office Pty Ltd Australia
Delivery between 9–17 July $11
Bought this to replace my worn out 43 year old scale rule!
I bought this a month ago and it is great! Perfect for students as it has a hard plastic construction. The only downside is that it can get very dirty when working with lead pencils on drawings. Overall, a great ruler!
| General | |
| Product Type | Scale ruler |
| Colour | White |
| Scale | Architect |
| Features | Colour-coded grooves |
