Feature●Uses: For screen doors, small windows●Car diameter: 0.4 inches (10 mm)●Applicable groove width: 0.2 - 0.3 inches (5●Applicable Height: 0.5 inch (13 mm) or more●Material: Body: Stainless steel; Car: Duracon resinDescription
Just snap it into and smooth the ramp door.
Quiet sound and wont damage the track.
One-touch installation