Material : SteelType : C771-86 W/O RibC771-86R W/RibFunction : One-way travel / W/ Plastic Clip / Detent-in onlySize : Groove Width : 27mmLength Available : 250 / 300 / 350 / 400 / 450 / 500mmLoad Capacity : 18kgsFinish : Zinc Plated
C771-86 Without Rib
C771-86R with Rib