Lifting Magnet Maximum Flat Load Capacity 2 500 lb Maximum Round Load Capacity 1 250 lb Minimum Thickness for Activation 1 in Minimum Thickness for Maximum Load Capacity 3 in Activation Mechanism On/Off Handle Magnet Length 10 5/8 in Magnet Width 7 1/8 in Magnet Height 6 1/2 in Overall Length 12 5/8 in Overall Width 7 1/8 in Overall Height 8 7/8 in Bail Inside Width 3 3/4 in Bail Inside Length 4 3/4 in Handle Length 10 3/4 in Minimum Operating Temperature -10 Degrees F