2PCS Stainless Steel Thread Gauge with 52Pcs Screw Tool Double Sided Cards Diameter Holes, Pitch Edges and a 10 cm Ruler,60/55 Metric Imperial Cutting

【ACCURATE FASTENER IDENTIFICATION】Match screws, bolts and nuts against clearly labelled diameter holes and pitch edges to identify sizes quickly during repairs, engineering work or DIY projects 【DUAL MEASUREMENT STANDARDS】Each double-sided thread pitch gauge supports metric and imperial checking, helping you compare different fastener standards with one compact reference set Precise Measurement: The precision screw measuring tool integrates metric 60° (pitch 0.25–6.0mm,24-form) and imperial 55° (thread count 4G–62G,28-form ) thread measurement specifications. 【INTEGRATED LENGTH RULER】Use the 10 cm edge scale to check screw length, then compare the fastener with the labelled holes and notched pitch profiles for an efficient measuring routine 【COMPACT 2-PIECE SET】Two slim 10 x 5cm gauge cards,The thread one gauges complete 52-piece set