Precision contact points for use on standard dial indicators
Both tungsten carbide and ruby have extremely hard and smooth measuring surfaces
Ball size: 3 mm = 0.117", 4 mm = 0.156"
Fit all AGD Group 1, 2, 3 and 4 indicators
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.