Product material: our black single wheel is made of stainless steel and nylon material, nylon wheel, stainless steel shell, electroplated finish, exquisite craftsmanship, durable.
Product size: total size: 65x13mm/2.56x0.51inch (LxW), wheel diameter: 29mm/1.14 inch, thickness: 8mm/0.31 inch.
Product features: metal blade housing, protects the roller part, long service life. A good replacement for your old rusty ones.
Wide use: widely used for garage screen doors, sliding doors, cabinet doors, living room windows, etc.
Package content: 2 pieces pulleys.