[Specifications and packaging]: 33 Piece hex shank twist drill bit set.Plastic case.
[Fitment]: Wood drill bit set for metal/wood/plastic sink. Suitable for home DIY, and general building/engineering use.
[Material]: Impact drill bits use classic high speed steel construction with titanium coating for capability and durability.
[Advantage]: Hex shank twist drill bit set drill edged principle Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
[Quick Replacement, Safe Installation]: Titanium drill bit fits into all power tools more easily and securely, specially for locking into quick change chuck. We also offer a quick-change adapter to better quick change.