0.1875″ (3/16) Min Bore DIA x 0.250″ (1/4) Max Bore Depth x 0.0300″ Tooth Width x 0.0300″ Projection x 0.1875″ (3/16) Shank DIA x 2.00″ (2) Overall Length – Carbide Retaining Ring Grooving Right Hand, AlTiN Coated