Made for volume production the Lee Round Flat Nose Pistol Mould - 6 Cavity (Handles Sold Separately) is a real bargain for reloading. This mould consists of aluminum blocks that help resist rusting that are attached permanently to steel handles that have sturdy grips.Aluminum blocks are also known for adhering well and they heat up fast. To produce the best possible bullets the block halves are CNC machined. In addition the mould boasts a hard anodized sprue plate that is cam operated. Holding the plate firmly in place are spring washers at both ends made from tempered steel.