Metric sizes: 5-24mm bolt diametersMade of high-grade stainless steel for corrosion-resistant durability
This time-saving tool is a combination bolt sizer, thread pitch gauge and bolt grade chart, as well as a complement to the Murray Tools Thread Repair System. The Tri-Gage tool accurately identifies bolt diameter, thread pitch and hardness, indicates wrench size for proper installation and selects correct size thread repair die to chase your threads clean. U.S.A.
Brand: Murray Tools