****surface scratches because there's no retail box or packaging About this item ?Specification?[Model]: RCH-30100; [Capacity]: 30T/66138LBS; [Total Storke]: 100mm/4inch; [Outside Diameter]: 114mm / 4.49inch; [Center Core Diameter]: 33.3mm / 1.31inch; ?Durable Material?: This hydraulic cylinder jack is made of heavy-duty metal construction, which is noted for it's durable and long-lasting use. In addition, the product surface is painted to prevent scratches and corrosion. ?Easy to Use?: Our product adopts light and compact design. It is easy to carry there are two holes on the surface of the oil vat for stability. Plunger eiper reduces contamihation.Exteding cylinder life. ?Smooth Surface?: The hydraulic ram cylinder has a smooth round, textured surface design to provide you with reliable support during work. ?Widely used?: It has a wide range of applications, and is suitable for narrow working space, such as riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and other industries, etc.