RS Add-On Holder (QR/HD/SD/XD)

KEEP YOUR QR, HD, SD, AND XD ADD-ONS ORGANIZED AND READY TO ROLL. Tired of leaving your Add‑Ons lying around? The RS Add‑On Holder (QR/HD/SD/XD) is your neat‑freak fix — it mounts easily to your wall and stores up to four Quik Rack, Heavy Duty, Super Duty, or Xtreme Duty Add‑Ons. ━ FEATURED SPECS ADD-ON STORAGE — stores up to four Quik Rack, Heavy Duty, Super Duty, or Xtreme Duty Add-Ons. EASY WALL MOUNTING — quick and easy wall installation.