DORIC DR234/N Security Door Roller – Spring Loaded (Hold Back)
Material: Engineered plastic, zinc plated screw & zinc nut
Features:
- Tested to 45kg a pair at 100 000 cycles
- Wheel hold back function
- Spring loaded
- 7.5mm of adjustment
- Precision Bear Tyre
- Hi Impact Polymer Housing
- Replaces all current security rollers
- Ideal for coastal application
- Increase wall thickness for added support around the adjusting screw
- 720 hour salt spray tested
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