ESD-Safe: Yes (RoHS Compliant)Wattage: 250 wattsConnection Type: Tapered PinsOpening Between Electrodes: 0.25" (0.64cm)Electrode Size: 0.078" (0.20cm)Dimensions: 10.25" (26cm) L x 8.25" (20.96cm) W x 6.5" (16.51cm) HWeight: 8.5 lbs. (3.86 kg)Compatible Handpiece: 10541