ROK, 31315 Digital Multimeter Auto Range Meters / Testing Tools Bearing Diameter: (b) 3/8"

Bearing Diameter: (b) 3/8"

Carbide Height (h) 19/32"

Select Freud bit 99-450 or 99-452 for 99-027 for the top profile

Straight temple frame design rests comfortably on your head and won't pinch

A harder material requires a drill with a smaller clearance angle while a softer material can have a larger angle

ROK, 31315 Digital Multimeter Auto Range Meters / Testing Tools Bearing Diameter: (b) 3/8"ROK, 31315 Digital Multimeter Auto Range 12670 Features: Has a digital, LCD display with backlight function for low light conditions. Auto Range and Auto power off for energy efficiency Data hold function Voltage: AC 600V DC 600V Current: AC 10A DC 10A Includes: 3 AAA batteries