Matt Ring Tube Sizer-USA Sizes Arbe The mandrel is mounted on

The mandrel is mounted on a sturdy metal base and rotates a full 360 degrees

Pull-out layout board positioned beneath the bench pin

Proper techniques for investing

5 KOYO Ruby abrasive belts (80

Smooth finish on all metal options

Matt Ring Tube Sizer-USA Sizes Arbe The mandrel is mounted onThe Matt Ring Tube Sizer is a precision wax working tool designed to enlarge the finger hole of wax ring models with speed and accuracy. The hardwood mandrel is machined to incorporate a steel cutting blade that extends from the handle to the tapered tip. Simply slide the reamer through the hole of a wax ring or ring tube and gently rotate clockwiseas the blade turns, it scrapes the inner wall, enlarging the ring to the size clearly marked on the