Designed to meet the total requirements of tool and die makers and deburring specialists. 21 Pc Set. Includes: Keyway Burr, 2 Pcs Edge Off, Double Burr, D-Key, Uni-Handle, SN Holder, C Holder + C20 and C12 countersinks, D Holder + D50 + D66 scrapers, L Holder, with L1 blade for corner cleaning, N1 (B10), N2 (B20), S10 (E100), S101 (E101), S20 (E200) blades, 1.5mm Hex Key.