Moroso Performance Degree Wheel Features: Mandatory For Professional Engine Builders Accurately Measures Several Timing Functions Marked Easy To Read One Degree Increments Heavy Gauge Metal w/Silk Screen Finish Adapter Included To Fit Virtually Any Engine For Mounting Use Crankshaft Socket Height: 0.25 Width: 11.50 Length: 13.88 Weight: 1.58 Electrical Outlet Plug Type: Pit and Mechanic Gear