Lifting Magnet Maximum Flat Load Capacity 250 lb Maximum Round Load Capacity 125 lb Minimum Thickness for Activation 1/4 in Minimum Thickness for Maximum Load Capacity 1 in Activation Mechanism Pull Lever Magnet Length 3 5/8 in Magnet Width 2 1/2 in Magnet Height 4 7/8 in Overall Length 4 3/4 in Overall Width 2 1/2 in Overall Height 4 7/8 in Bail Inside Width 1 1/4 in Bail Inside Length 1 1/4 in Handle Length 6 in Minimum Operating Temperature 0 Degrees F