X12-LULA and T12-LULA Universal Pistol Magazine Loaders XT83B. Designed to load/unload .22 LR single stack wide body magazines with side button. No more finger pain during loading! Loads and Unloads in 1/3 the time of thumb loading Highly durable polymer construction 45(1.77") X 98(3.85") X 173(6.8") Black Compatibility Walther P22/G22 Ruger SR22 Colt 1911 .22 S&W M&P .22 Pistol Walther PPK/S .22 (T12-LULA) Includes X12-LULA T12-LULA