JaysAndKays Strap and Adapters Set for Casio G-Shock GA100/GA110/GD100/GA120/GD110/GLS100/GD120 GShock For adapting 24mm 1-piece straps to your GShock GD120 and similar. Better fitting solution than Casio OEM adapters. Adapters are made of durable resin for long term performance in all conditions. Strap is heavy duty ~11" long, ~24mm wide, ~1.5mm thick military grade nylon with stainless steel hardware finished in black PVD. See product description for installation information.