1/4 Extension Bar KS Tools 1/4 " Extension With Drive Hexagon, 100 MM KS Tools 1/4 Inch Drive Extension 150mm Founded in 1992, the company based in the Hessian Heusenstamm currently has over 350 employees and nine branches worldwide. Stahlwille 405QR QuickRelease Extension, 1/4", 54 mmPatented designDIN 3123/ISO 3316 This construction style is far superior in strength as well as the maintenance of exact torque length. Buy KS TOOLS 1/4 Extension with Hexagon Drive, 50mm: Extension Bits - ✓ FREE DELIVERY possible on eligible purchases KS TOOLS Werkzeuge - Maschinen GmbH is one of the leading international suppliers of tools and workshop equipment. 911.3404 KS TOOLS Prolunga, Chiave a bussola Dimensioni squadra di allineamento: 20 (3/4)mm All of SK's interchangeable heads are made from a single piece of alloy steel.