Thank you for viewing. □ Product Description KYB gas spring. □ Condition This was removed from equipment that was operating normally, but the model number is not on the label, so I do not know the exact data. I had three of the same ones on hand, and when I compressed them by hand, they expanded and contracted with about the same feel. Measured dimensions: L approx. Max 425mm *between screws, Weight approx. 217g Stroke range: 157mm, Screw hole diameter: 10φ I investigated as much as I could, and the closest matches were two types with different N values, so I think it's one of them. ・KHG150-20 Dimensions L(Max)(mm)425, Dimensions L(Min)(mm)275, Stroke(mm)150 Weight(g)217, Repulsion force Fa(N)196, Repulsion force Fb(N)251 ・KHG150-30 Dimensions L(Max)(mm)425, Dimensions L(Min)(mm)275, Stroke(mm)150 Weight(g)217, Repulsion force Fa(N)294, Repulsion force Fb(N)376 By the way, when I measured the weight at which compression starts using a scale, it compressed with a load of about 12kg or more, and it compressed to the maximum value at around 15-16kg. This is just a measurement and my personal opinion, so there may be many errors. The model number I couldn't find may also be in a different format, so if you are knowledgeable, understand, can handle it safely, or are using it for products with a large tolerance, please consider it. Since it is a used item, there are scratches and rust on the side of the main body, but there are no problems with operation. Please understand, look at the photos carefully, and please use NC, NR. I will clean it as much as possible before shipping. #Gas damper #Shock #Spring