The Gedore Impact K21 1" drive socket is a heavy-duty impact socket designed for use with impact wrenches and pneumatic tools on automotive and industrial applications. Built to DIN 3129 standards with a 33mm hexagon size, this socket features reinforced walls and premium steel construction to withstand repeated impact loads without cracking or deformation. Ideal for professional mechanics, technicians, and trade professionals who require reliable, durable sockets for high-torque fastening work.