Made of high-quality plastic materials,the barbell adapter sleeve is sturdy , reliable, wear has a long service life. INSTALLATION: This part may be screwed or riveted to the frame. (Attachments not included). If you are replacing the exact same bracket, the holes should match up. If they do not, you can use the bracket as a template to mark drill new holes. Make sure that the two brackets are lined up the same on either side of the frame. QUALITY: Heavy duty replacement\/substitute chaise lounge bracket parts. FOR REPLACEMENT: These adjustable plastic brackets can be used to replace old or damaged patio lounge brackets, it is more economical to use these replacement parts instead of buying new chairs. our back support adjusters are available,which can match most recliners. Item Type:Patio lounge adjustment bracket Colour:As Shown Material:Plastic Package Contents: 5 x Patio chairs adjustable bracket Only the above package content, other products are not included. Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.