Description RCBS UNIVERSAL CASE LOADING BLOCK - SKU: R9452 The RCBS Universal Reloading Tray is a great tray for any reloading bench. The double-sided design has 25 holes on each side for a variety of different calibres. Technical Information Material: Plastic Fits: Most calibres from 17 to 48 including WSM, WSSM and Ultra Mag cartridges