1SIZE SPECIFICATION: The shaft diameter is 16mm, the lathe tool tray is suitable for 16mm 5/8in diameter lathe tool base. Woodturning tool rest has 61/2in span, overall vertical length of 2.95in 2UNIQUE CURVE DESIGN: Lathe tool rest with the unique concave design for comfortable grip and stable handling, reach far into the interior of bowls with support tool rests 3HARDENED STEEL ROD: Curved lathe tool rest is made from solid steel. Topped with a hardened steel bar which will not nick or scratch, wear resistant, rustproof, possess high hardness and long service life 4SMOOTH TOP: The ultra smooth round hardened steel top allow you to slide your lathe tools easily for superior results, very useful and practical 5WIDE APPLICATION: Curved lathe tool rest is used for bowl exterior, interior hollowing, deep penetration, and incisive corners, etc., fit for most mini lathe and wood lathe 1 x Lathe Tool Rest