Features: Special design to hold the chain and tensioner in position during assembling and disassembling. This tool is designed according to the factory 3366 with a metal bolt and plastic. Plastic has been a design feature for 3366 tools to keep the tool from damaging the chain tensioner if the tool is used incorrectly. Specifications: Condition: 100% new and Never Used. Item: Cam Chain Tensioner Holder Material: Steel and Plastic Part Number: 3366, VAG3366, VAG 3366, 100001 .