Brand: Ccjh; Condition: New; Surface: Frosted Black. Material: Heavy Duty Carbon Steel Body And Nylon Roller Make The Sliding Smooth And Quiet; Easy Installation: No Groove Required For Door, No Holes Drilled In The Floor. Package Include: 1*floor Guide; 2*screws; 2*plastic Plugs; Roller Diameter: 1.46"; Fit For 1"-2" Thickness Door Panel; Practical And Innovative Design: The Invisible Rotating Wheel On A Vertical Side Not Only Make The Sliding More Smoothly And Quietly But Also Save More Space;