Are your prices making money? Run the free shop rate check
The color painted on the end coils of a torsion spring identifies the wire diameter, per the official DASMA TDS 171 color coding system.
White
.177"
4.50 mm
Blue
.192"
4.88 mm
Green
.207"
5.26 mm
Yellow
.218"
5.54 mm
Red
.225"
5.72 mm
Brown
.234"
5.94 mm
Orange
.243"
6.17 mm
Gold
.250"
6.35 mm
Light Blue
.262"
6.65 mm
Tan
.273"
6.93 mm
Black
.283"
7.19 mm
Silver/Gray
.295"
7.49 mm
Purple
.307"
7.80 mm
Copper
.331"
8.41 mm
Red/White Stripe
.362"
9.19 mm
Get notified when we add new tools
Free updates, no spam. Unsubscribe anytime.