Wiha Insulated extension 3/8" for nut driver inserts, insulated (43057)

Offers you full protection: Each tool individually tested at 10,000 V AC and approved for 1,000 V AC.

Improved access: Deep-set screws can be reached easily.

Safety is the top priority when users are working on live parts. Combined with the insulated ratchet wrench or T-handle adapter, the insulated extension enables easy access to deep-set screws and bolts. The insulated extension is subject to individual piece testing as per the international IEC 60900 standard, thus ensuring safe work on live parts up to 1,000 V AC.