Detailed description: Color: silver Material: stainless steel Applicable model: Universal fitment for most cars Specification weight: specification 57*41.5*13cm weight 18.8kg Product notes: 1. Welding and screw fixing are required. 2. Easy installation,easy disassembly, and no damage to the original vehicle structure. 3. Can easily restore the original door opening method Feature: 1.Two 90 degree structures included 2.Four gas charged struts of 150 PSI 3.Vertical door hinge kit, bolt on installation for universal usage. 4.As hinge positions are the same as ordinary cars, almost all vehicles are qualified to be refitted into vertical doors, including open cars. 5.By applying vertical door hinges, door opening can be done even in narrow areas, thus avoiding possible damages to pedestrians and doors themselves 6.This product requires welding and screw fixation, which should be accomplished by a professional mechanic. 7.If your door is equipped with power locks or windows, you may or may not need to extend the wires going from the door to the chassis depending on how much slack there is. You might need a wire extension kit. 8.Will not damage original car structure.