| 12121 | "T" Tip. 4¼" wide for testing tank lining and other wide surfaces. | | 12131 | "T" Tip. Same as above, except 12 in. wide | | 12141 | Fan Tip. Line voltage isolated steel spring wire fan for testing curved as well as straight linings and other surfaces. | | 12401 | Brass brush tip 4-in. wide for testing curved and straight lining and other surfaces. | | 12421 | Brass brush tip 8-in. wide for testing curved and flat surfaces. Hinged for hard to reach areas | | 12701 Peak Voltage Calibrator For setting voltage by adjusting a calibrated spark =gap. Enables voltage to be set accurately with repeatability, especially useful when using a generator to detect flaws in very thin coatings and in lab work. NIST Traceable Certificate of Calibration. $316 FOB IL |