Wolf Tools has produced a remarkable ring sizing system that features 47 beautifully finished, comfort fit, 6mm wide, TRUE-SIZE Precision Sizing Rings. Sizes 1-16 in half sizes; sizes 4-12 in quarter sizes. Each ring is faceted and laser etched with its size. TRUE-SIZE Precision Sizing Rings come in a black wooden presentation box with sizing chart; and includes a calibrated TRUE-SIZE Aluminum Sizing Mandrel.

Eliminate expensive compound errors!

Use TRUE-SIZE Precision Sizing Rings

and TRUE-SIZE Ring Mandrel.