Faithfull Magnetic Impact Nut Driver is specifically designed and for use in high torque impact drivers. The magnetic hex socket is ideal for repetitive jobs requiring the setting and removal of bolts and nuts. Manufactured from unique high-grade steel specially engineered for extreme durability and increased working life.Select Option 10mm x 1/4in Hex13mm x 1/4in Hex8mm x 1/4in Hex Add to Basket Quantity