The RCBS Bullet Puller Collet 7mm (MPN 9425) is a reloading accessory designed to safely remove 7mm (.284 caliber) jacketed bullets from loaded cartridges without damaging or distorting them.Key DetailsCaliber Compatibility: 7mm / .284 caliber projectiles.System Requirement: Must be used alongside the RCBS Standard Collet Bullet Puller body, which fits standard 7/8''-14 thread single-stage reloading presses.Function: Grips tightly onto the bullet like a lathe collet as the press ram lowers, pulling the case away to salvage components.Material: Precision-machined, hardened steel.