Tychem® 4000 Coverall, Bound Seams, Attached Hood, Elastic Wrist and Ankles, Zipper Front, Storm Flap, White, X Large no checkout more easily removing damaged fasteners Reduces more easily removing damaged fasteners Reduces risk of fastener rounding Applies more torque to fastener Unique arc design increases surface contact Anti Slip Design (ASD) wrench has a locking groove prevents slippage and knuckle injury Rolled spring steel bar provides maximum pressure held throughout the whole job Fixed jaw surface is grooved to achieve maximum grip Spring activated back brake keeps moving jaw firmly in position Covered double threaded screw doubles both pressure and speed with a greasing hole for optimum lubrication Dismountable Effective protection against a range of chemicals Tychem® 4000 is chemical barrier film laminated to Tyvek® fabric Tychem® 4000 is white for high visibility Tychem® 4000 provides at least 30 minutes of protection against >120 chemical challenges Many different styles available