The design of these callipers allows not only the measurement of wall thickness but also inside dimensions like the size of an aperture. As with double ended callipers the measurement at one end automatically transfers to the opposite. Available in 6" and 8½" models.

These vessel callipers are designed for internal and thin-wall dimensioning. The straight arm is especially useful for accessing narrow vessels. Sizes can be read at either end. Available in 2½", 5" and 10" models.

These vessel callipers are designed for internal and thin-wall dimensioning. The straight arm is especially useful for accessing narrow vessels. Sizes can be read at either end. Available in 2½", 5" and 10" models.

These vessel callipers are designed for internal and thin-wall dimensioning. The straight arm is especially useful for accessing narrow vessels. Sizes can be read at either end. Available in 2½", 5" and 10" models.

This Robert Sorby Captive Ring Cutter 80513C is one of four sizes of captive ring cutters. Designed to create curtain rings, wheels and captive rings on goblets and puzzles, these cutters are an extremely popular addition to Robert Sorby’s cutter range. They can also be angled on the tool to allow for access to restricted space. The Captive Ring Cutter is one of 14 specialised tips that support a range of tools and offer incredible flexibility to the turner.

This Robert Sorby Captive Ring Cutter 805C10 is one of four sizes of captive ring cutters. Designed to create curtain rings, wheels and captive rings on goblets and puzzles, these cutters are an extremely popular addition to Robert Sorby’s cutter range. They can also be angled on the tool to allow for access to restricted space. The Captive Ring Cutter is one of 14 specialised tips that support a range of tools and offer incredible flexibility to the turner.