Item Detail Table of Content Express Lane Express Lane Tool Cart and Hand Tools 1/2 Drive 3" Impact Extension Item Number: MCOCXP3D Supplied by MATCO TOOLS (see all) Price: $40.70* * log in for dealer pricing. Direct from 3rd Party Supplier Add To Cart Description 1/2 Drive 3" ext. Warranty Lifetime Product Specification Dimensions3 in. long Weight.25 lbs.