This 10 piece hex head allen bit set have high precision and excellent workmanship,smooth surface,with 1/4 inch quick release hex shank,make you work faster and easier. Include a plastic bit holder,easy to organize your bits Specification: Materials: S2 alloy steel Type of head: hex Type of shank: 6.35mm / 1/4 inch hex Length: 50 mm(2 inch) Size: H1.5 (1.5mm) H2 (2.0mm) H2.5 (2.5mm) H3 (3.0mm) H4 (4.0mm) H5 (5.0mm) H6 (6.0mm) H8 (8.0mm) H10 (10.0mm) H12 (12.0mm) Package Included: 10 x Allen Key Bit Set 1 x Allen Key Bit Organiser.
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