Thank you for visiting the page! Ships with careful packing from Japan. This product features a special structure for the attachment part, allowing for one-touch drill bit replacement when combined with the Wave HG One-Touch Pin Vice. The drill bits are coated with titanium, ensuring long-lasting cutting performance. The hexagonal shaft of the attachment part is engraved with the drill diameter. *Please note that this product is exclusively for use with the Wave HG One-Touch Pin Vice and cannot be used with general commercially available pin vises. Taiwan Province / Republic of China .