uxcell Metric Screw Pitch Gauge 60-Degree Range 0.5-7.0mm Product Name: Screw Pitch Gauge; Type: Metric Material: Stainless Steel Size(Closed): ~2 1/2 x 7/16 x 3/16"(L*W*H) Fit for: Metric 60-Degree Threads; Color: Silver Tone; Net Weight : 21g Package Content: 1 x Screw Pitch Gauge