DescriptionOur professional channel trolley track support hanger brackets can work perfectly for installing channel trolley track. Made from iron materials, with good workmanship and high toughness, will not deform or break easily. It can be used at industryor many other places.Features-Color:Silver -Material:Iron -Size:6.70X6.60X4.80cm/2.63X2.59X1.89in -The diameter of the tops hole is 10mm - Channel trolley support features the sturdy and firm structure, can hold your framing system more easily and safely. - Our trolley support bracketsare made of iron material, sturdy and not easy to corrode, rust, deform and break. - Trolley track hanger is specially designed to work for framing system, you can surely feel the convenience of it. -Sturdy structure and excellent craftsmanship make channel trolley support easy to use and have excellent durability. - Trolley track hanger , simple structure, easy to install and use, with good functions, proper for professional use.