Ergo360 Chair Arm Pads for Office and Desk Chairs Complete Pair with Attachment Screws Soft Cushioning for Comfortable Support to Arms and Elbows Simple Install Ergo360 Armrest Arm Pads for Office Chairs Provide Soft Cushion Support to Arms And Elbows. Every Part is Inspected to Insure Highest Quality. Chair Arm Pad Width: 4 inches, Chair Arm Pad Length: 10 inches, Durable Materials Complete pairs (both right pad and left pad) with attachment screws pre-installed. All shipped in user friendly packaging. Armrest pad bottom screw hole spacing: Standard 4 inches from center to center. Please confirm this measurement before ordering. Chair arm pad color is true black (not grey tone). Please see armrest pad pictures for more details and dimensions. Specify a quantity of 1 for 1 set.. 2 for 2 sets.. etc.