BigCal Woodworking Caliper Deluxe Set - 12" SA01-10 it features a top view

it features a top view window on the center vial

It also includes two dust ports

(6) 4-Arm knob with stud

This router base plate features multiple pre-drilled holes to accommodate many of the most popular trim

and other surfaces suitable for woodburning

BigCal Woodworking Caliper Deluxe Set - 12" SA01-10 it features a top viewWhen piston fit accuracy matters, reach for Woodpeckers BigCal Woodworking 12" Calipers. It is built to deliver precise inside and outside measurements, and then some. Calipers are often used in metalworking, but most standard models max out at just 6 and are graduated to the thousands of an inch. BigCal combines machinist level accuracy and a furniture sized scale, making it ideal for woodworking. Includes a wall mountable Rack It for safe storage.