✅TOP QUALITY: Heavy-duty Curtain Runners and Hooks made of commercial grade stainless steel and plastic construction which is corrosion, wear and weather resistant. ✅SMOOTH GLIDING - Curtain track rollers slide smoothly without interruption within the track. The Plastic wheel provides a smooth quiet roll coupled with solid stainless steel wheel body and hook mount provides ultimate hold of your curtains for the years to come. ✅HEAVY DUTY: Strength of the stainless runners are 3X stronger than plastic runners. Together with the Hooks our gliders can withhold heavy curtains with ease. ✅PACKAGE CONTAINS: 10 PCS- Curtain Runners/Rollers + 10 PCS- Curtain Hanging Hooks- Roller Dimensions:[Wheel Diameter: 0.5 INCHES] [Roller Width:0..50 INCHES] [Roller length: 1.30 INCHES] [Roller length including hooks: 2.5 INCHES] ✅WIDE RANGE OF APPLICATION: Jos & Haz Curtain Rail Runners are designed for any type of straight ceiling curtain track, hospital curtain track system , room divider curtain rod track , shower curtain track , RV ceiling track or simply just a privacy partition system. ✅100% CUSTOMER SATISFACTION GURANTEED: We are a US based company; our dedicated customer service team is available 24/7 to answer any questions. CONTACT US ANYTIME!! Heavy Duty Runners and Hooks for Curtain Tracks -Wheeled Curtain Carriers designed for Aluminum Curtain Tracks -Smooth Gliding Runners with plastic wheel rollers for easy slip thru between curtain tracks -Unique Curtain Hooks to use with any type of Curtain. Roller DimensionsWheel Diameter: 0.5 INCHESRoller Width:0.50 INCHES Roller length: 1.30 INCHES Roller length including hooks: 2.5 INCHES