Specification:Metric total of 20 leaves, according to the number of pitches per piece, said pitch 0.5mm-7mm, pitch count is:0.5/0.6/0.7/0.75/0.8/1.0/1.25/1.5/1.75/2.0/2.5/3.0/3.5/4.0/4.5/5.0/5.5/6.0/6.5/7.0Material: Stainless SteelColor: Silver ToneTotal Size(Approx): 64 x 11 x 6.8mm(L*W*T)Package Content:1 x Screw pitch GaugeDescription:The thread Pitch Gauge used to measure the pitch of the thread, measurement range: 0.5mm-7mm, metric total of 20 leaves.Used to determining thread per inch/cm on screws, bolts or in a tapper holesQuality construction for a long life and accurate readings.