Shars 2-1/2" Precision Dial Indicator Depth Base 303-2276 P bestsellers_healthUK_Sep2023 Initial minor carbon dust is

Initial minor carbon dust is normal

CUSTOMER SATISFACTION GUARANTEED: Summit Doorware proud of our products they're built to last and work great

8mm- 50lb test

no C30 globules

the rest is precise size

Shars 2-1/2" Precision Dial Indicator Depth Base 303-2276 P bestsellers_healthUK_Sep2023 Initial minor carbon dust isShars 2 1 2" Precision Dial Indicator Depth Base 303 2276 P Fits any standard AGD dail indicator with 3 8" or 8mm diameter stem by switching the internal collet bushing Accuracy of bottom surface of base: 0. 00008" Made of hardened and ground steel for flatness Product Features Base Length: 2 1 2" Fits any standard AGD dail indicator with 3 8" or 8mm diameter stem Base surface is precisely finished and hardened for accurate repeatable measurements