Trusted Brand LYMAN CUSTOM FIT LOADING BLOCK .388″ 10/cs

.388″ Custom Fit Block Lymans Custom Fit Blocks are designed to provide a precise fit for a family of cartridge sizes. Made from tough, durable polymer, Custom Fit Blocks hold 50 cartridges and will securely nest together for easy storage. Custom Fit 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. WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.