The MoonSetter is a specially designed tool/pliers that easily snaps cartridges into those tight-fitting revolver moonclips. Made of a strong, blue finish, 10-gauge steel handles that pivot smoothly and provide plenty of leverage for effortless, one-hand loading. Eliminates bruised, cut-up fingers, bent clips, and hours of monotony that could better be spent shooting! Simply install clip on mandrel, place cartridge on loading tray, align the engagement, and squeeze. Cartridge snaps firmly into place so you can move onto the next one. Non-slip, rubber sleeves cushion your palm and fingers to eliminate soreness and hand fatigue. Locknut at pivot joint allows adjustment for handle tension. Interchangeable mandrels fit TK Custom full moon clips. Pliers supplied with your choice of mandrel. Additional mandrels sold separately. Note - some TK moon clips are designed for use with WW, Starline, or other brands of brass with similar size extractor groove. For best results, follow the recommendations for your specific moon clips when using this tool.