CASE LENGTH GAUGE (PILOT) AND SHELL HOLDER CALIBER 8x57 MAUSER FOR PISTOL CARTRIDGES CAL 8x57 MAUSER IS A PRECISE, EASY WAY TO TRIM TO LENGTH AND SQUARE THE CASE MOUTH. USED WITH THE CUTTER AND LOCK STUD OR ZIP TRIM. MADE IN THE USA. Gross weight: 32 grams