Boxtown Team Ladder Roller (Black Ladder Roller + Carrier) Boxtown Team Ladder Roller+Carrier is designed for A- frame fiber glass ladders. Size ranges 4ft- 12ft. Designed for 4-8 but will work on 10ft and 12 ft (force fitted on). Carrier provides a safer and pain relief way for your hands to carry a step ladder on extended distances. Environment friendly, recyclable! Features Works on A-frame fiber glass Ladders or extension. BEST USED ON 300 LBS ladders Roller+Carrier Will work on 10ft-12ft A-frame fiber glass ladders,and most older EXTENSION fiberglass ladders but must FORCE FITTED. Carrier can carry ladder horizontal OR vertical. Open handle for multiple position carrying Meets OSHA Ladder Safety Standards. Roller ladder on sites. Level surfaces for best results. Carrier for Medium hand: 4 fingers fit. Large Hand: 3 fingers fit, but does not make difference using 3 or 4 fingers, weight isn't on the pinky USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.