D&D Technologies SureClose 108 AT90 S Flush Mount Hinge/Closer Aluminum Screw-On | DND-75108213M HTRNB They never require any maintenance

They never require any maintenance and are 30% more efficient in torque transfer from wheels to an operator than other wheels such as cast iron or plastic

and LSZH EN50575 EuroClass Dca-s1

UPS standard battery backup uses two 8Ah batteries for 300 cycles after AC power loss

Dimensions (L × W × H): 156 × 63× 63mm (6

D&D Technologies SureClose 108 AT90 S Flush Mount Hinge/Closer Aluminum Screw-On | DND-75108213M HTRNB They never require any maintenanceD&D Technologies SureClose 108 AT90 S Center Mount Hinge Closer Aluminum Screw On DND 75108213M Hinge Closer with Final Snap Action Hydraulic SureClose Gate Closers & Hinges are designed to replace conventional, bulky commercial gate hinges and closers. These strong and sturdy hinge closers provide smooth, bind free performance. Superb engineering and patented design allow clever concealment of the hydraulics in a remarkably small housing. There is no