OTC Tools 4645 Serpentine Belt Tool

Fits tensioner pulleys with 13 mm - 16 mm, 18 mm hex or 3/8 in. and 1/2 in. square drives. For hard to access tensioners; there are 13 mm and 15 mm 12-point wrenches built into the handle. 13 mm, 14 mm and 15 mm crows foot wrenches also included.