Rocker structure

A rocker structure, comprising:

• a pair of front-side members, the front-side members respectively provided at each side, in a vehicle width direction, of a vehicle lower portion at a vehicle front side, and each front-side member extending in a vehicle front-rear direction and forming a closed cross-sectional structure;
• a pair of rear-side members, a front end portion of each rear-side member being inserted into a respective one of the front-side members, and each rear-side member extending in the vehicle front-rear direction and forming a closed cross-sectional structure;
• and
• fasteners that mechanically fasten together respective ones of the front-side members with respective ones of the rear-side members in at least two states, the at least two states including a first state and a second state, in the first state, an insertion amount of each rear-side member into the respective one of the front-side members is larger than an insertion amount in the second state, wherein:
• each front-side member and each rear-side member includes an upper wall, a lower wall, and side walls that couple the upper wall and the lower wall together, as viewed from the vehicle front-rear direction,
• at least one first insertion hole for a fastener is formed at at least two wall surfaces among the upper wall, the lower wall and the side walls of the respective pair of front-side members,
• at least one second insertion hole for a fastener is formed at at least two wall surfaces among the upper wall, the lower wall and the side walls of the respective pair of rear-side members and at positions corresponding to each of the first insertions holes, in the first state and the second state,
• an axial direction of respective first insertion holes are offset from each other when viewed in a front-rear direction of a vehicle, and
• an axial direction of respective second insertion holes are offset from each other when viewed in a front-rear direction of a vehicle.