敏感鑽孔進給，1/8 吋（3 mm）免鑰匙鑽夾

I needed a precise way to drill tiny holes by hand, and this sensitive feed with the 1/8" keyless chuck handles it perfectly. The knurled ring gives great control when I pull it down, making delicate work much easier.

The knurled ring feels solid under my thumb, and the keyless chuck grips those tiny 1/8" bits without any wobble. I've been using it for precise pilot holes in brass, and the feed motion is smooth enough to control with one hand. It's exactly what I needed for delicate work.

Pulling down on the knurled ring gives me way more control than a regular drill press handle, which is exactly what I needed for tiny 3 mm holes in brass. The feed feel is smooth and the chuck swaps bits in seconds without a key. My hole placement has gotten noticeably cleaner since I started using