Mastercut SC-1ADC 1/4" X 1" Cylinder - Radius End Shape Double Cut Carbide Burr Part Number: SC-1ADCSKU: MTOSC-1ADC $16.31 Clear Options Qty: Add to Cart Order In Bulk Add $250.00 worth of items to your cart to qualify for free shipping. Item Details Mastercut Double Cut Cylinder (Radius End) Carbide Burr with a cutting length of 1" and overall length of 2" has a cutting diameter of 1/4" and has a 1/4" shank.