Version :
Sturdy shape especially for use with electric or compressed air impact wrenches. With cross hole and snap ring groove for securing sockets. Internal square to DIN 3121. For safety reasons must always be secured using a suitable locking pin and O-ring.

Material :
Chrome molybdenum steel, surface burnished.

Note :
HOLEX IMPACT hexagon sockets including imperial sizes are available from our eShop (No. 651202).