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It has sharp blades made of selected materials to enlarge holes in all metal effectively.
Part No. | Sizes mmφ |
O.A.L. mm |
Weight g |
---|---|---|---|
K-441 | 3-12 | 124 | 65 |
K-442 | 3-16 | 95 | |
K-443 | 4-22 | 155 |