4 pc 1/2″ Drive Impact Extension Set

Description

• Includes 3-11-1/4″ extensions and a swivel ball lock button impact universal joint in a storage tray

• Snap-on® impact extensions are heat-treated to optimize impact service life with a lower hardness than hand sockets and are able to withstand repeated cycling loads of impact wrenches

• Snap-on uses a domestic blend of special alloy socket steel that provides long life and great strength