Specification: 100% new, never used or installed. Type:Round rubber arm pad Quantity: Set of 4 Fit Models: For BendPak Lifts Overall Size (US Standard): 5" × 5" (5.0 in round) Overall Size (Metric): 127.00 mm × 127.00 mm Arm Pad Depth: 1” thick (1.0 in / 25.4 mm) Arm Pad Shape: Round Arm Pad Material: Rubber Connection Type: Slip On over existing steel adapter top Installation Manual Is NOT Included Profession install is highly recommend Features: .