For extra low mounting levels of heavier light fixtures. Minimum Height 20 in (71 cm) Maximum Height 36 in (91 cm) Closed Length 20 in (71 cm) Footprint Diameter 14 in (64 cm) Weight 5lbs 12 oz (2.6 kg) Maximum Load 22 lbs (10 kg) Attachment Size 5/8 in male stud