Lyman's deluxe anodized aluminum loading blocks are meticulously crafted for the precision reloader who demands the highest standards in both their tools and their ammunition. Made from high-grade 6061-T6 aluminum, these blocks are CNC milled to exacting tolerances, ensuring a snug and precise fit for specific cartridges - unlike generic, one-size-fits-all plastic trays. Available in three sizes to accommodate the most popular rifle head sizes, each block holds up to 50-round, providing optimal storage and organization. The blocks are equipped with stick-on rubber non-slip feet, preventing unwanted movement and keeping them firmly in place on your bench. Perfect for streamlining the reloading process, Lyman's deluxe anodized aluminum loading blocks enhance efficiency and accuracy, saving you both time and hassle during your reloading sessions.