This sliding pulley is made of steel material, which can withstand long time of use. With simple structure, it is easy to install, and with good workmanship, it can move and slide smoothly, safe and convenient to use. Features -Color:Silver -Material:Steel -Size:6.20X2.50X2.20cm/2.44X0.98X0.86in -Screw hole: 8mm -Wheel outer diameter 22mm -Crafted from strong and sturdy steel, this wheel trolley roller boasts exceptional durability and sturdiness. -With its sturdy material and clever design, this trolley assembly in load-bearing ability. -Featuring a simple shape and structure, this wheel trolley roller is incredibly easy to install and remove. -This trolley roller is highly versatile and suitable for a wide range of applications. Whether you need to install a sliding door, closet door, or any other movable panel, it is the perfect solution for smooth and effortless operation. -The double pulley wheel design of this trolley roller ensures smooth and effortless door push and pull operations. Package list: 2 x Sliding Door Roller