Fowler test Indicator & Accessory Kit Indicator features include... 0.060" Range 0.0005" Graduation 0-15-0 Dial Reading Jeweled Movement 0.080" Diameter Contact Point Dial Diameter: 1.5" Accessories included in kit... Height Gage Bar w/ Clamp Adaptor Sleeve: 5/32" & 3/8" Contact Point Case Axial Support Contact Point Wrench