The Proform Socket Assist Kit speeds up work with low-clearance bolts, such as spark plugs, header, or intake manifold bolts. This patented tool is used with a 12-point box wrench or socket. The 3-piece set includes 1/4" x 1/4", 1/4" x 3/8", and 3/8" x 3/8". Socket Wrench Adapter Socket Assist 1/4 in 12pt x 1/4 in Drive 1/4 in 12pt x 3/8 in Drive 3/8 in 12pt x 3/8 in Drive Steel Sold as a Kit Part Number: 67575 Specifications Brand Proform Part Number 67575 Intended Application Wrench Adapter Socket 1 Quantity 1 Socket 1 Drive 1 Size 1/4 in Socket 1 Drive 1 Style Male Square Drive Socket 1 Drive 2 Size 1/4 in Socket 1 Drive 2 Style 12 Point Socket 2 Quantity 1 Socket 2 Drive 1 Size 3/8 in Socket 2 Drive 1 Style Male Square Drive Socket 2 Drive 2 Size 1/4 in Socket 2 Drive 2 Style 12 Point Socket 3 Quantity 1 Socket 3 Drive 1 Size 3/8 in Socket 3 Drive 1 Style Male Square Drive Socket 3 Drive 2 Size 3/8 in Socket 3 Drive 2 Style 12 Point Material Steel Color Black Finish Oxide Quantity Kit