This toolbox mounting bracket is designed to fit newer style Kubota tractors with the integrated holes in the ROPS (commonly know as the rollbar). Just mount the tool box of you choice to the bracket and you are ready to go. (toolbox not included) BX2380, BX2680, BX23S, B2301, B2601, LX2610, LX2620, LX3310, LX3520, & LX4020