LD-220B Floor Spring Door Closer Application: All metal & steel & glass door Max Door Weight: 70-85KG Suitable Door Size: 750*2000mm Built-in pressure relief valve; Filled with high quality anti-icing hydraulic oil; Utmost door open angle: 116 degree Vertical adjusting screw, Horizontal adjusting screw; Single Action. Quantity Per Month: 10000PCs Delivery Way - Date Of Delivery: Within 30 Days After Receipt The Deposit