1,Stroke length:71mm 2,Max. impact force:75N. 3,Running time:2-5S 4,Max loading: 50kgs 5,Life:50000 times. 1,Stroke length:71mm2,Max. impact force:75N3,Running time:2-5S4,Max loading: 50kgs5,Life:50000 times.6,It's mainly use for the indoor sliding door,big drawer,wardrobe door etc.Size and application picture: SLIDING DOOR DAMPER