The 3 each of our 8 most popular sizes and shapes - for a total of 24 felt bobs. Mfg: Brownells SPECS: Kit contains 3 each of the following: MOUNTED BOBS: 3/8" (9.5mm) x " (12.7mm) and " x 1" (2.5cm); MS-1: " x 1" (2.5cm); UNMOUNTED BOBS: Knife...