Automatic Spring Door Closer, 2 Spring Hydraulic Buffer Adjustable Door Stopper Speed Mute Closing Fit For 25 To 80KG Door Hardware (Black M) (Color : Silver L)

Suggestion: The speed of closing from 180 to 15 degree should be little fast, and the speed of latching from 15 to 0 degree should be little slow, so that the door can be closed and avoid to be damaged. Applicable scenes: Market's access door, Apartment door, Hotel's gate, House's gate, etc. Application Scope: Adjustable strength. Apply to door weight between 30-50kg, adjustable work with all types of medium doors. Type: 2 springs inside, Universal 180 degree no positioning Dear customerHello， If you have any questions about product quality, please contact us in time and we will do our best to answer you within 24 hours！