1-1/2″ Drive 4-1/4″ Square Drive Pin Hole Impact Adaptor, 1-1/2″ Internal Drive x 1″ External Drive

Description

• Heat-treated to optimize impact service life, with lower hardness to withstand repeated cycling loads of impact wrenches

• Manufactured with a Snap-on® domestic blend of special alloy steel for strength and durability

• Industrial, black-oxide, finish helps protect against corrosion