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: 7728090

Fits:
Caliber/Rim Diameter
17 Hornet/0.350
17 Rem/0.378
17 Rem Fireball/0.378
204 Ruger/0.378
22 Hornet/0.350
222 Rem/0.378
222 Rem Mag/0.378
223 Rem/0.378
30 Carbine/0.360
300 AAC/0.378
32 ACP/0.358
32 S&W L/0.375
32 H&R/0.375
327 Federal/0.375