Hornady - LNL Impact Bullet Puller Mandrel You can measure wall thickness

You can measure wall thickness both before and after the neck has been turned

Use this comprehensive assortment of tools in even the most austere conditions

The hardened dense jeweled mirrorlike finish does not pick up and carry abrasive grit or dirt through the bore

but is adjustable to fit larger widths such as 40mm also

Hornady - LNL Impact Bullet Puller Mandrel You can measure wall thicknessEffective on most rifle or pistol cartridges up to . 45 caliber, the L N L Impact Bullet Puller captures the bullet and powder for reuse by removing bullets from cartridges without causing damage. The innovative handle design stores two extra collets.