Sealey 10 piece impact socket set 1in sq drive metric imperial sealey ak688 p this impact socket set from sealey includes 10 standard walldrive reg sockets in a range of metric and imperial sizes with 1in 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 ak688 impact socket set 10pc 1 sq drive metric imperial