The Lisle Corporation Adjustable Brake Caliper Tool, No. 25200, features a 2- and 3-pin side. The adapter is easily adjustable and used to rewind brake pistons back into the caliper. The product's slim design and fully adjustable rotating body align the pin location for engaging into the brake caliper piston face on most domestic and import vehicles. The adapter will work on right or left-hand rewind calipers. The 2-pin range is from 1/2" (12.7mm) to 1-1/2" (38mm), and the 3-pin range is from 1" (25.4mm) to 1-11/16" (43mm). Use with a 3/8" square drive.