L.S. Starrett Heavy-Duty Magnetic Base Indicator Holders

• Has a powerful magnetic base that attaches to flat surfaces or on round work up to 5" diameter by a form-ground involute vee for accurate seating
• Magnetic Base and has a rotary on/off switch
• Post snug with two 3/4" gripping holes positions the dial indicator at any height and at any vertical angle and allows for 360 rotation of the gage rod
• A second tapped 3/8" hole in one side of the base is for mounting the post horizontally or adding another post for multiple inspection work
• The base is furnished with a threaded adapter