Serpentine Belt Tool Set w/Locking Flex Head Ratching Wrench New and improved 15 Pc Serpentine Belt Tool now includes a locking flex-head ratcheting wrench for better access. . New locking flex-head ratcheting wrench has 5-locking positions (straight, +2 positions and -2 positions) . Each locking position is 17Deg. New wrench designed to get around obstructions, lines, motor mounts, pulleys, etc. . Ratcheting end design is patented GearWrench Pass-Thru drive system . Set has everything you need for complete Serpentine Belt Tool vehicle coverage and includes long bar, three Pass-Thru(R) design adapters (3/8”, 1/2” and 3/4”), seven Pass-Thru(R) design 6-point sockets (13 – 19mm), three crowsfeet (13, 14, 15mm) and storage case 89000 No -