Groz Hollow Punch 20Mm Punches & Chisels Hollow Punches Washers it is easily connected to it is easily connected to central or portable extraction systems 364 Pieces Replacement Packs Available Part # Size Pack Qty C2025 1 3 32 x 1 2 20 C2025 2 3 32 x 5 8 20 C2025 3 3 32 x 1 20 C2025 4 1 8 x 5 8 20 C2025 5 1 8 x 3 4 20 C2025 6 1 8 x 7 8 20 C2025 7 1 8 x 1 20 C2025 8 5 32 x 1 2 20 C2025 9 5 32 x 1 20 C2025 10 3 16 x 3 4 20 C2025 11 3 16 x 1 20 C2025 12 3 16 x 1 1 4 20 C2025 13 3 16 x 1 1 2 20 C2025 14 3 16 x 2 10 C2025 15 3 16 x 2 1 2 10 C2025 16 1 4 x 1 20 C2025 17 1 4 x 1 1 2 10 C2025 18 1 4 x 2 10 C2025 19 1 4 x 2 1 2 10 C2025 20 5 16 x 1 1 2 8 C2025 21 5 16 x 2 8 C2025 22 5 16 x 2 1 2 8 C2025 23 3 8 x 2 5 C2025 24 3 8 x 2 1 2 5 Cutting tip prevents jamming of materials inside the punch Precisely ground cutting edge is induction hardened and tempered for longer life and reduced wear