Engine builiding work requires a dial indicator, but precise engine building work demands a dial indicator magnetic base. This PROFORM tool will hold your dial indicator in nearly any position. The magnetic base has 100 lbs of pull and comes with an easy on/off switch for portability. Product Features:Multi-Position TypeFeatures 100LBS Of Pull with On/Off Switch for PortabilityBlack FinishMade from High-Quality Steel Material1-inch Stud Length