1/4-20 threaded mounting screw holes (screws/hardware not included)
These arm pads fit most adjustable or fixed office chair arms that have the standard 4" (100mm) wide mounting screw hole pattern (4" measurement from enter of hole to center of hole)
Cut-out area on underside of arm pad for mounting fixed or adjustable arms measures 8" long x 1 7/8" wide
Great for use as new, replacement, or upgrades for the arms on your office chair, stool, or task chair
Level of firmness ensures longevity
Made from medium soft-touch polyurethane for long-lasting comfort