Anytime Tools Mini Universal Magnetic Base Stand Holder for Test Indicator Our 30 lbs. magnet will hold your ndicator steady in any position Height: 4.8" Base: 1-3/16" dia & 1" high Extension rod: 1/4" x 3-1/2" with 1/4" hole for the 1/4" stem indicator Dovetail clamp for test indicator Test Indicator in photos is not included