Rainso Mens Matt Gun Black Copper Double Row Magnetic Therapy Bracelets for Arthritis Wristband Adjustable THERAPY: With strong high powered magnets(3500 gauss), helping with relief from symptoms of Arthritis, Joint Pain, RSI, Carpal Tunnel. Balance the body's physiological magnetic field and improve the sub-health state and energy when used for years. ENVIRONMENTAL PROTECTION MATERIAL: Superior pure copper material,delicate polishing,mirror finishing and long colorfast,Stylish and health SIZE: Length:21.5 cm(adjustable) , Width:1.5cm, 0.05-0.06kg/pcs. You can free to adjust the size through removal tool by yourself HIGHTLIGHT: 99.9% pure copper, each one with gift bag, product manual and one removal tool. GIFT WRAP: Handmade men health magnetic bracelet with classical design,it is a nice collocation for yourself or your friends,mother to relief pain of arthritis and carpal tunnel during Birthday,Anniversary day,Valentine's Day... You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! Unscrew the thimble. Aim at bracelet notch of pin hole and tighten up gently. Steel needle will be out, and then put the pin back. Please adjust the pin which aims at the side without whippletree. Don&#039;t adjust the pin which aims at the side with whippletree.