Fowler 52-525-505-0 Ruby Ball Contact Point .157" Diameter *NEW - OVERSTOCK ITEM* Micrometer Head Lightweight ABS gage shroud for

Lightweight ABS gage shroud for extra strength and protection

Lens thickness measurement

Fowler's Quartz Optical Flats and Parallels are perfect for repair departments and Quality Control labs for inspection of micrometers and other measuring tools

4 Blocks =1-4" Step=1"

Inch 4-56 pitch and metric 0

Fowler 52-525-505-0 Ruby Ball Contact Point .157" Diameter *NEW - OVERSTOCK ITEM* Micrometer Head Lightweight ABS gage shroud forItem Description For dial indicators with American Standard Thread 4 48 NF 1 2" Tip Length Ball Size 4mm (. 157" Diameter) Special Features Ruby Ball Contact Points Hardness, resistance to wear Chemical and thermal stability, extremely low friction coefficient, negligible thermal expansion NEW Overstock Item