Item Type: Glass Door Roller Wheel Pulley Material: Stainless Steel Color: Green Weight: Approx. 132g / 4.7oz Suitable: For most sliding doors with a width of 23mm, Approx. 23mm / 0.91in Package List 2 x Roller Wheel Pulley(1 Upper Type And 1 Bottom Type) 2 x Roller Pulley Cover 1 Pack x Material 1SMOOTH AND QUIET SLIDING: Door track roller pulley allows you to experience a smooth and quiet sliding while in use, without disturbing you and your family's rest. 2UNIVERSAL COMPATIBILITY: The sliding door track roller pulley fits most sliding doors up to 23mm(0.91in) wide, and we have an upper pulley and a bottom pulley in the kit. 3STYLISH DESIGN: These track roller pulleys feature an elegant round design that looks great in any bathroom setting and can also be used for office and kitchen sliding doors. 4EASY INSTALLATION: With the included instructions and accessories, our sliding glass door roller wheel pulley is quick and easy to install and you can easily get started. 5STAINLESS STEEL MATERIAL: The glass door roller wheel pulley is made of strong and durable stainless steel material for longer life.