CTPESAP - PLIERS LINESMAN 9.5IN AND ESHOK GUARD ISOLATED BIT HOLDER SETCrescent's two piece eSHOKGUARD and plier electrician set includes our isolated bit holder and our 91 2 in Z2 dual material lineman's pliers. Isolation zone insulates all your standard bits protecting you up to 1000V Withstands heavyuse in impact applications Magnetic tip keeps fasteners securely in place Easily secure and replace bits with a retaining ring 1 4 in hex shank is compatible with impact drivers and drills High leverage joint design