For G-SHOCK Adapters allow you to use a nylon ZULU, NATO, RAF or othe one-piece watch strap(fits 22 mm - 24 mm wide straps) Compatibility: Compatible with gshock watches with 16mm lugs but not all. E.g Compatible for G-shock series:DW-5000/5600, DW-6900/9052, GA-100/110/120/150/200/300/400, GD 100/120,GDF-100, GL-7200, GLS-5600, GW-M5000 5035, G-5600, GLS-8900, GA700 G100 (non-AWGM100，non-GD350). Customer Feedback: Will fit: GWM5610, GW-8900. Will NOT fit without modification: GW-5600J, AWG-100 Please note that it does not apply to watches with sensors on the back of the watch. If you are not sure of your strap size, please contact customer service Including packaging: 2 x connectors; 1 x spring bar remover; 3 spring bars. Your satisfaction and the establishment of credibility are our pursuit. If you are not satisfied with the strap you received, please feel free to contact us. We will provide you with thoughtful after-sales service until you are satisfied