The Lee NLG358-130-RF Double Cavity Mold is an aluminum bullet mold designed for casting 130-grain .358-diameter round flat-nose bullets without traditional grease grooves. It is optimized for cartridges like the .38 Special and .357 Magnum and is specifically engineered to be used with powder coating rather than liquid lubricants. Design: Round Flat Nose (RF) Diameter: .358 inches Weight: 130 grains Cavities: 2 (Double Cavity) Lube Grooves: None (No Lube Groove / NLG) Material: Rust-resistant CNC-machined aluminum for fast heating/cooling and less fatigue Included: Comes with Lee standard double cavity mold handles