(1) #37-38 Nyloc jam nut

5 hours on high and 8 hours on low

This harness features exclusive gel endoskeleton integrated into the shoulder yoke

Torsion-Spring Action: Reduces hand fatigue for prolonged use

Cordless operation eliminates hose and compressor setup for trim and finish carpentry work

Radians RHGB-074 7.4 V Battery for Radians Heated Gear newpicneeded (1) #37-38 Nyloc jam nutThis 7. 4V replacement battery powers Radians heated apparel, giving crews a straightforward way to keep their heated vest or jacket running through a full cold weather shift without buying a whole new garment. 7. 4V rechargeable battery compatible with Radians heated gear Drop in replacement for worn or depleted batteries Keeps heated apparel running through a full shift