Size ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.【Specification】Model: YL110Material: IronColor: SilverInitial height: 275mm /11'(appr.)Stroke: 85mm /3'(appr.)Stretch length: 360mm /14'(appr.) 【Features】✔ Bearing capacity up to 200kg✔ Sturdy iron structure, durable use✔ It has 200ml of hydraulic fluid in it✔ Barber/ Salon chair hydraulic pump✔ Replacement part for most of standard styling chairs 【Package included】 1 X Chair Hydraulic Pump(The Chair NOT INCLUDED) Instruction is not included. Any questions, please contact us immediately for solution. Hope a nice day! 【Notice】- Please allow slight dimension difference due to manual measurement.- Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail.- Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.- Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding.