PrecisionBit, Design C 6.3 (1/4”), Set in Practical BitBox
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PB C6.990 | PB 451.M | 2, 3, 4, 5 | 1, 2, 3 | 1, 2, 3 | 9, 10, 15, 20, 25, 27, 30, 40 | 10, 15, 20, 25, 30 | 2.5, 3, 4, 5, 6 | 388.5 |