DRL HIRDAVAT One Way Butterfly Spring Hinge Black (1 PAIR)

One-way spring hinge butterfly type black color height for single wing 100 mm width 84 mm thickness 2.5 mm no need to carve on the door and case there are 2 pieces in the package the product can be used in a door with a maximum weight of 50 kg as a pair. The door scale must be made.

spring hardness must be the same in both hinges