Hardened and ground steel body. Spring tension knurled nut for easy depth measurement and locking. Fitted with stainless steel rule graduated 64th one one side and 0.5mm on reverse. Rule measures 7/32" (5.5mm) wide and .01" (1.05mm) thick.
This product may contain metals and/or chemicals that are included in the State of California's latest Prop 65 warnings. Exposure may cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov