Description 0 Reviews Description3-1/8" x 2-1/16" permanent magnetic base with on/off switch, fine adjustment on base and a 5/16" x 9" upright.CaseFeatures.0005" test indicator No. 52-562-778 with .040", .080" & .120" contact points. Swivel clamp to mount indicator. Two dovetail stems: 5/32" & 3/8" A 4" hardened scriber. Write a Review 0 Reviews Hide Reviews Show Reviews