Uxcell Metric Whitworth Screw Pitch Gauge Measuring Tool Product Name : Screw Pitch Gauge Fit for : Whitworth 55-Degree Threads & Metric 60-Degree Threads Material : Stainless Steel;Size(Closed) : ~2 5/8 x 1/2 x 11/16inch(LWH) Color : Silver Tone;Net Weight : 73g Package Content : 1 x Screw Pitch Gauge