Magnetic Welding Ground, Maximum Current 300 A, Compatible Cable Gauge (Maximum) 4 AWG, Clamp Body Material Steel, Maximum Pull 150 lb, Cable Connection Type Bolt and Nut, Clamp Type On/Off Welding Ground, Compatible with Surface Type Flat, Pipe, Features Rare Earth Magnetic Ground, Includes 1/2-13 x 1-1/4 In. Lg Grd bolt, Overall Height 2.8 in, Overall Length 2.9 in, Overall Width 1.9 in, Positioning Angles 45 Degrees, 75 Degrees, 90 Degrees, 105 Degrees, 135 Degrees. This item has been restricted from sale in the following state (s): []