Lee's lube & size kit allows you to lubricate and size cast bullets.It can also seat and crimp gas checks.Intended for use on single stage presses only, the sizer die has standard 7/8 x 14 threads.Bullets are pushed through the sizing die nose first, so no special nose punches are needed.(push through punch is used in place of a shell holder in the ram.) sized bullets are captured in a special container.For cast bullets, select a sizing kit to be.001" larger than groove diameter.Kit contains sizer box, sizer punch, and sizer die, and instructions.Note: lee liquid alox and press sold separately.Type: Lube & Size KitCaliber: .357 DiameterSize: 7/8"x14 ThreadsQuantity: 1 KitWeight: 95 ozFunction: Size BulletCompatible With: Single Stage PressesMaterial: SteelIncludes: Case/Punch/Sizer DieFinish: SilverMedia Type: Cast BulletsHazair: Yes