Cushion rubber controls rebound angle and speed, so length alone is not a sufficient specification. The profile must match the rail construction and the height of the playing surface.
Identify the correct shape
Save a short piece of the old rubber or measure its base, height, and cut angle. Cracks, hardening, and uneven rebound indicate replacement. The table maker’s specification is more reliable than a generic “universal” label.
Replacement sequence
Remove old adhesive, clean the rail, and degrease with a compatible product. Bond the rubber evenly without stretching it, then respect the adhesive cure time. Check final geometry only after the cloth is installed. A wrong profile can produce different rebound on each rail, so a qualified table technician is often the prudent choice.