SND 7504 Floor Door Closer Specification:

1.complying with European Standard CE/EN1154,required durability test up to 500,000cycles

2.Fully concealed into the bottom of timer and steel door leaves

3.No excavation being required

4.easy installation with simple steps on assembling

5.high corrosion resistance 304 stainless steel body.

6.closing speed adjustabble vales at the visible  side of the body

7.fixed closing pewer EN size 4

8.Aesthetic round base with angle adjust srews