What's Included? 2 Caster(s) / Wheel(s) Features 8 Ft Maple Removable Rolling Ladder with Rail Kit Includes: 2 upper assemblies, 2 bottom wheels, 7 step supports, track mounting brackets, track(s), 2-rail end caps, and all required fasteners For an 8 ft. ladder, the center of the rail must be mounted at 91 in. H (from the floor) Rolling Hook hardware has only ONE wheel on the top, so the ladder can be removed easily from track 8 ft. H x 16 in. W unfinished and ready-to-assembled Maple ladder Exclusive braking bottom wheels limit ladder movement while standing on ladder, the brakes will engage when as little as 75 lbs. is applied Stored position, there is 7 in. from the center of the rail to the top of the ladder Climbing position, there is 3 in. from the center of the rail to the top of the ladder In the climbing position, the ladder's rolling wheels are approximately 31 in. from the wall Great for using on multiple walls to pick up ladder and move from rail to rail applications Ladder can be stored on the railing or removed when not in use Looking to add on extra HORIZONTAL bracket style ladder rail components? The following options can be ordered: QGLI1034 (QG.4004 4 ft. rail); QGLI1035 (QG.4006 6 ft. rail); QGLI1036 (QG.4008 8 ft. rail); QGLI1092 (QG.41 rail connector); QGLI1043 (QG.302 rail bracket); QGLI1044 (QG.40 rail end cap) Looking to add on extra VERTICAL bracket style ladder rail components? The following options can be ordered: QGLI1034 (QG.4004 4 ft. rail); QGLI1035 (QG.4006 6 ft. rail); QGLI1036 (QG.4008 8 ft. rail); QGLI1092 (QG.41 rail connector); QGLI1041 (QG.301 rail bracket); QGLI1044 (QG.40 rail end cap) Product Details Product Type: Rolling ladder Primary Material: Wood Number of Steps: 8 Slip-Resistant Feet: No Slip-Resistant Steps: No Adult Assembly Required: Yes Country of Origin: United States Wheels Included Number of Casters/Wheels: 2