夾緊機構，無螺絲虎鉗

I wasn't sure if this would fit my existing 3" vise, but the clamping mechanism lined up perfectly and feels solid. The included pin was slightly long, but a quick pass with a file made it work just fine.

That little pin was a bit too long as mentioned, but a quick pass with a file and it clamped down perfectly on my old 3-inch vise. Feels solid and holds tight without any slipping.

I was pleasantly surprised how quickly this clamping mechanism locked onto my bench without any tools—the spring-loaded cam is really intuitive. It holds my small workpieces firmly with no slipping, and the machined finish looks clean. The included pin took a little filing to fit perfectly, but for