Quick Change - 0.2500" (1/4) Bore DIA x 0.5000" (1/2) Shank Height x 4.80" Overall Length x 0.750" (3/4) Collar DIA
0.2500" (1/4) Bore DIA x 0.5000" (1/2) Shank Height x 4.80" Overall Length x 0.750" (3/4) Collar DIA - Quick Change - Grinding Holder Square