LITE DUTY PLASTIC INSERTS: For Regular Grooved Panels. Snap-ins or Slide-in Inserts to achieve a finish look. Fits most brands. Does not increase load capacity.
MEDIUM DUTY INSERTS: Rigid Vinyl, pre-installed. Load capacity of 40 lbs/brk’t.
HEAVY DUTY INSERTS: Aluminum, pre-installed. Load ccapacity of 75 lbs/brk’t.
