HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features: Clear And Easy-To-Read Scale On The Ruler Surface For Accurate Measurements Plated Outer Shell Provides Excellent Anti-Rust Protection And An Attractive Finish Cr Stainless Steel Forging Ensures High Strength And Durability Notch Design Allows Smooth And Easy Blade Rotation Designed For Monitoring Thread Pitch And Measuring Individual Screw Thread Sizes Specifications: Material: Cr Stainless Steel Thread Angle: 60 Degrees Quantity: 30 Pieces Package Includes: 1 × 30-Piece Us Screw Pitch Thread Gauge (60° Cr Stainless Steel)