Includes 3 sets of springs in blue yellow and red which are rigid and medium and soft respectively. Also included are four screws and two upper shock mounts to secure shock to shock tower or plate. Note that these are not oil filled. Although they work great without oil its recommended to fill them before use. To help ensure a fit please check measurements below. Measures 104mm long between center of fixing holes. Total length end to end 113.5mm. Diameter of tension nut 18.89mm. To suit 3mm screws which are included. Travel 28mm.