Feature

• Clamps are not necessary for fixing on doors.
• Simple construction,high durability and low cost.
• All plastic made and free from rust.

Application

• Library
• Rain-shelter doors

Durability

• The door shall be jeked and forth for 100,00 times in a stroke of 500mm under the 49N(5kgf) per wheel. After the test, the door should still slide smooth.