Sealey impact tool socket set sealey ak56 11m p this impact socket set from sealey includes 10 walldrive reg sockets in metric sizes with 1 2in square drive p p walldrive reg sockets allow transfer of up to 30 more torque to the fixing before the risk of damage to the corners of the hexagon this also permits damaged fixings to be easily tackled p sealey ak56 11m impact socket set 10pc 1 2in sq drive metric