0.1000″ Min Bore DIA x 0.375″ (3/8) Max Bore Depth x 0.0300″ Tooth Width x 0.0300″ Projection x 0.1875″ (3/16) Shank DIA x 1.50″ (1-1/2) Overall Length – Carbide Quick Change – Miniature Retaining Ring Grooving Right Hand, AlTiN Coated