Manhole Sleeve Lifter Product Type Manhole Sleeve Lifter Working Load Limit 1 500 lb Minimum Manhole Diameter 12 in Maximum Manhole Diameter 30 in Maximum Load Thickness 2 7/8 in Bail Inside Length 3 7/8 in Bail Inside Width 2 3/8 in Bail Thickness 3/8 in Minimum Headroom Not Applicable Maximum Headroom 26 1/4 in Number of Legs 3 Bail Height 3/8 in Standards ASME