The HKS Revolver Speedloader instantly drops cartridges with just the slightest twist, loading the entire cylinder of your revolver. Strong metal points hold cartridges securely in the lightweight polymer body until released. The knurled aluminum knob allows for a sure grip under the most stressful circumstances and the also makes the speedloaders easier to grab out of a pouch. Note Oversized Grips: Some revolvers have grips that interfere with speedloaders. These grips must be altered or replaced so the speedloader does not touch the grip when cartridges are released