Inspired by the U-lock on the sailingboat.The U-lock was made by L306 stainless steelmirror 24k gold plated,it can be adjust during 10mm with screw and three small holes.4mm high quality imported nylon rope.Size S suit for wrist circumference 13~15cm.Size M suit for wrist circumference 15~17cm.Size L suit for wrist circumference 17~20cm.
