Product Range Rolson - HSS Drill Bit Sets. Product Contents: 16x 1.5mm, 16x 2mm, 15x 2.5mm, 10x 3mm, 10x 3.2mm, 8x 3.5mm, 8x 4mm, 3x 4.5mm, 3x 5mm, 2x 5.5mm, 2x 6mm, 2x 6.5mm, 2x 8mm, 2x 10mm HSS Drill Bits.
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