Palmgren Butt-weld & Fillet-weld gauge
Palmgren weld gauge is used for accurately checking butt and fillet welds. This handy tool may be used for measuring the size of concave fillets, maximum convexity, the limit of reinforcement of butt welds and root openings. Made of stainless steel, laser etched and features a threaded pin and finger knob for easy locking of center slide.