Connectors Size: width connect to GSHOCK watch = 16mm; width connect to replacement strap= 22mm. You can use various watch straps bands after using this connector. It comes with spring pins and tool; fits for Casio Shock models: GA-110/100/120/150/200/300/400/700/2100 ; GB-5600; GD-100/110/120; G-8900/5600; DW-5000/5030/5025/5600/5700/6900/9052; GW-M5610/6900/5000/B5600; GWX-5600; GLS-8900/5600 ; GLX-5600; GMA-S110; MCW-100 etc. Package included: 2x connectors with 3pcs 16mm spin bars & 1 pcs 22mm spin bar (not including strap and watch) .