Lyman's Custom Fit Loading Blocks are designed to provide a precise fit for a family of cartridge sizes. Made from tough, durable polymer, Custom Fit Loading Blocks hold 50 cartridges and will securely nest together for easy storage. Custom Fit Loading Blocks come in 6 sizes to match up with a large variety of cartridges. Each block is clearly marked with the diameter of the cartridge storage hole.

Features and Specifications:
Manufacturer Number: 7728093

Fits:
Caliber/Rim Diameter
284 Win/0.500
30-30 Win/0.506
32 Win Spc./0.506
32-40/0.506
375 Win/0.506
38-40/0.525
38-55/0.506
41 Rem Mag/0.492
44 Rem Mag/0.514
44 Special/0.514
44-40/0.525
444 Marlin/0.514
45 Colt/0.512
454 Casull/0.512
460 S&W/0.520
7-30 Waters/0.506