The Sealey 20 Blade Folding Screw Pitch Gauge is a precision measuring tool designed for accurately identifying metric thread pitches on bolts, screws, and threaded components. This compact folding gauge features twenty individually stamped blades, each marked with accurate thread profiles covering a comprehensive range from 0.4mm to 6mm pitch. Ideal for mechanics, engineers, and maintenance professionals who need to quickly identify thread specifications when sourcing replacement fasteners or checking threaded parts. The folding design allows all twenty blades to be stored together in a compact unit, making it easy to carry in a toolbox or pocket while keeping the blades protected when not in use. Each blade is permanently stamped with its pitch measurement, ensuring clear identification even with regular workshop use. The gauge covers the most commonly encountered metric thread pitches including fine and coarse threads, making it suitable for automotive work, machinery maintenance, and general engineering applications where accurate thread identification is essential. Features and Benefits: • Twenty blades covering comprehensive metric pitch range from 0.4mm to 6mm • Folding design protects blades and provides compact storage • Individually stamped profiles for accurate thread identification • Lightweight at just 0.03kg for easy portability Specifications: Blade Qty: 20 Brand: Sealey Nett Weight: 0.03kg Pitch Gauge: 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6mm Thread Type: Metric Range: 0.4-6mm