Henderson Sliding Door Track Kit 750-900mm SKU: 201593 MODEL: HJ3 Error. try again later You've successfully joined the club $ 184 each Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Sliding door track kit for heavy-duty domestic and light commercial applications, doors and partitions for timber or composite doors. Features and benefits Easily adjusted door height. Simultaneous action option. Fire door kit option available for Marathon 90. Maximum door weight of 55kg.