The Lee Deluxe Perfect Powder Measure features a high pressure die cast diamond-machined body. The precision-machined rotor drum is cast from brass, which is naturally antistatic and spark proof. Eliminates Cut Powder and Jerky Action A soft elastomer wiper strikes off the metering chamber rather than cut the powder. You'll be surprised at how smoothly the rotor operates. More importantly, you will enjoy the most uniform of charges. Easy to Set and Read Micrometer Metering Chamber Powder charge adjustment is accomplished with a true micrometer adjustable metering chamber. The metering chamber is aluminum with a black anodized finish. Features a crisp, perma Mfg: Lee Precision