The barbell adapter sleeve is made of high-quality plastic material, Robust, reliable, wear-resistant and long-lasting. Installation: This part can be fixed to the frame with screws or rivets. (Accessories not included) If you are replacing an identical bracket, the holes should match. If they do not match, you can use the bracket as a template to mark and drill holes. Make sure both brackets line up the same on both sides of the frame. Replacement: These adjustable plastic brackets can be used to replace old or patio lounge chair brackets. Using these replacement parts is more economical than purchasing a chair.Our back support adjusters are available to match most recliners.<br><br>Colour:As Shown Material:Plastic<br><br>Package Contents: 5 * Adjustment sheet<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.