Product Highlights Adapters & Bit Holders Impact Control Adapter for Sockets is highly robust and specially designed to withstand the high power of impact drivers S2 Modified Steel and an optimised heat-treatment process provide extra endurance for high performance Extremely sturdy for long-lasting work The external square drive enables sockets to be held in an internal square drive Product Description The Impact Control Adapter for Sockets is highly robust, and is specially designed to withstand the high power of impact drivers. Its S2 Modified Steel and optimised heat-treatment process provide the socket with extra endurance for high performance making it extremely sturdy for long-lasting work. The adapter features an external square drive enabling it to hold sockets with an internal square drive, which would normally only fit impact driver. This product is intended for heavy-duty screw-driving applications such as plant installations or heavy industrial work. For Bosch Socket Wrench MADE IN VIETNAM Part Number Shank Length mm External square drive end, inch 2 608 551 107 1/4 external square 50 1/2