① Stainless steel quick release spring bars compatible for Fitbit Inspire 3/Inspire 2/ Inspire HR/Inspire/Ace 2/Ace 3. ② Install replacement pins just need few seconds, don't need any tools, simply slide the lever of the link bars with fingers. ③ watch pins are made of High Quality stainless steel for strength and durability. ④ If you use this quick release pins for other watch, please check your watch lug width or watch band width before make a order. ⑤ We assure you the best quality by offering lifetime warranty, lifetime friendly customer service support. which make your purchase absolutely risk-free.