... . 2)Capacity weight100- 150kg. 3)for double swing door door floor spring, mab floor hinge, spring closer, door closer, ground hinge,ground spingiron ... in middle-east market.very good spring&oil.500,000 starting times guaranty.suitable for double swing door Width of 800-1000mm ... closing effect is valis 80 or 90 degree with double section adjustment. V-73 floor spring, similar to mab type, floor hinge