Specially Designed for basementsHeavy Duty Pulleys mounted on Ball BearingsCompact Space-SaverBar & Std Plate holder are includedLoad Capacity: 100 lbs (can be increased depending on how Securely Fastened to Ceiling)Must be mounted to center of Rafters for safe installationAllow a minimum of 12" from wall to unitCable & Pulleys can hold up to 600 lbs.Plate shown for information purpose onlyThis unit can be attached to Rafters with 16" center to center distance only