Collet Block, ER-25 Square

Finally, a collet block that grips my stock without any wobble—the square body sits perfectly in the vise and the ER-25 taper locks down solid every time. I’ve used it for a dozen setups now and it hasn’t let a single hex shaft slip.

The ER-25 collet block holds my hex stock so snugly that I barely need to torque the wrench to get a chatter-free cut, and the square body sits perfectly flat in the mill vise every time. It's become my go-to for quick setup jobs without any fuss.

The grip on this square block is dead-on repeatable, so swapping hex stock between setups takes no time at all. It’s held up through a dozen jobs without any wobble, and the precision feel is exactly what I’d hoped for.