General Tools UVC Light Meter Hole Saws & Accessories and there are six depth

and there are six depth settings with one-touch stops for the most common biscuit sizes including #0

Welded corner gussets

92mm jaws grasp onto a wide range of fasteners easily

R301 3-Gallon Sprayer

or the modern BESSEY 2K handle

General Tools UVC Light Meter Hole Saws & Accessories and there are six depthFeatures: Two measurement ranges Backlit dual readout 4 digit LCD 20 measurement memory Automatic time (interval) recording Tripod and magnetic mounts Details: The UVC light meter is ideal for applications such as UV curing and sterilization, semiconductor fabrication, offset printing, environmental monitoring and industrial process control.