Complete set for removing and installing timing belt on vehicles with idler pulley. Includes long lever, a special ratchet socket wrench and adapters for different sizes of socket wrenches. Also included are 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm socket wrenches for loosening tensioner bolts and pulleys. And 3 horn bits in the same sizes. The long lever allows you to position the desired wrench or head and forcefully turn the tensioner roller to loosen or tension the belt.