JIM976 Features: -Engine Rotator. -For engine bench work it is recommend that the engine be bolted into an engine stand. -Manufacturer guarantees tool for use with hand drivers only. Product Type: -Vehicle Starting Systems. Generic Specifications: -Designed with a long socket, making it easier to use without the use of a 1/2 drive extension on your 1/2 driver. Generic Dimensions: -3.3'' H x 3.3'' W x 5.8'' D. Dimensions: Overall Product Weight: -1 Pounds.