Torque Multiplier for STC Models
Multiplies the torque output of STC wrenches from 3.6 to 4.5 times!

Model No. 8-180PX 12-350PX 12-500PX
Max Torque Output ft/lb 1,330 2,580 3,690
Max Torque Input ft/lb 320 720 820
Torque Multipler Factor 4.1 X 3.6 X 4.5 X
D in. 3 7/16 4 3/4 5 7/16
H in. 5 31/32 5 3/4 6 13/16
B in. 1 1 1/2 1 1/2
L in. 7 5/8 10 7/16 14 9/16
Wt. lb 11.0 19.5 30.0

To place an order, or for additional information,
contact G.W.Y. customer service at:

P.O. Box 293; 217 Forest Road, Greenfield, NH USA 03047
Toll-free: 1-888-838-6500
tel: 603-547-3800 - fax: 603-547-3801
email: gwynne@gwyinc.mv.com
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