Please check the watch model name carefully before placing an order, the stainless steel case band mod kit replacement is specifically designed for G-Shock GA2100 / GA2110 series watches, including models like GA2100VB-1A, GA2100-1A1, GA2100-7A, GA2100SKE-7A, GA2100-1AJF, GA2100CA-8A, GA2100-4A, GA2110ET-8A, GA2110ET-2A, and GA2110SU-3A, ensuring a perfect fit, enhanced durability, and a lasting shine for your watch. 316L stainless steel material Our case band bezel replacement kit perfect matches various outfits and different occasions, such as parties, business meetings, celebrations and other important public occasions, the same applies to outdoor sports activities. Replacement steps (1) Use the "+" shape screwdriver to unscrew the four case screws, and remove the original watchband case; (2) Install the steel case and tighten the four case screws with "-" shape screwdriver; (3) Adjust the strap length according to the size of your wrist.