0.2500″ (1/4) Min Bore DIA x 0.750″ (3/4) Max Bore Depth 0.0390″ Tooth Width 0.0750″ Projection x 0.2500″ (1/4) Shank DIA x 2.00″ (2) Overall Length – Carbide Quick Change – Face Grooving Right Hand, AlTiN Coated