20 pairs (40 pieces) of replacement office chair arm rest pads 4" Wide x 10" Long.
2 Mounting screw holes are 4" and 5.5" apart.
1/4-20 threaded mounting screws screws included.
These arm pads fit most adjustable or fixed office chair arms with similar mounting holes.
Cut-out area on underside of arm pad for mounting fixed or adjustable arms measures 6 1/2" long x 1 3/4" wide.
Universal - Left or Right side are the same.
Made of soft touch polyurethane.