Speedway Series 1404 110-Volt 30-AMP Spot Welder 6-Inch tongs lock firmly onto materials Works with mild, galvanized or stainless steel Welds uncoated stock as thick as 1/8-Inch Rated output: 1.5KVA at 50-Percent duty cycle Dimensions: 1-Inch by 6-Inch by 4-1/2-Inch