The bosch sds plus to 1 2 square drive adaptor is a heavy-duty drill adaptor designed to convert sds plus rotary hammers for use with 1 2-inch square drive sockets and accessories. Constructed from s2 modified steel with an optimised heat-treatment process, this adaptor is built to withstand the high torque and power output of rotary hammer drills. The result is a component with exceptional durability, making it well suited to demanding, continuous use on site. The adaptor is particularly well suited to heavy-duty screwdriving applications, including plant installations and heavy industrial work. It fits all rotary hammers with an sds plus shank system, making it a practical and reliable solution for contractors who need to drive fixings at pace without switching tools. Features and benefits: constructed from s2 modified steel with optimised heat treatment for maximum durability designed specifically to handle the high power output of sds plus rotary hammers compatible with all rotary hammers featuring an sds plus shank system ideal for heavy-duty screwdriving in plant installations and industrial applications fits 1 2-inch external square drive sockets and accessories specifications: shank: sds plus external square drive end: 1 2 inch width across flats: 1 2 inch net weight: 0.075Kg