The 14.5 in. Pride Quantum Overmold Armrest Pad for Power Chairs is used on many Quantum power wheelchairs. Product Features Featuring an extruded urethane with overmold design, where armrest bracket fits inside of the pad's inner trough Measures approx 14.5" length, 2.5" wide and is 1.5" thick Mounting holes measure 10.5" center to center (screws are not included) Fits left or right side Genuine Pride part DGN1801411 Latex free Sold individually (each). For a pair, order quantity 2. Fitment Notes:This armrest pad fits select Pride Mobility power wheelchairs including many Quantum electric wheelchairs. This armrest is commonly used with the Synergy and Tru-Balance seats, including TB2, TB3 (version 3) and TB4 seating systems. To confirm fitment, verify the length, width, armrest shape, and hole pattern to that on your chair. This armrest pad is known to be used on the following power wheelchairs models and possibly others. Note some chairs have multiple armrest options. Q6 Edge Q6 Edge HD Q6 Edge 2.0 Q6 Edge Z Q6 Edge 2.0 X Edge 3 Edge 3 Stretto Edge 4 Quantum Rival R-TRAK 4Front 4Front2 4Front HD J6 J4, J4 HD J4E, J4E HD DGN1801411