Red aluminium alloy guide enables precise 30° 45° 90° drilling on wood or metal. Multiple hole sizes 3/16-3/8 fit varied bits. V-groove aids right-angle and cylindrical work. Features: Clear Angle Markings For Accurate Hole Placement. Interchangeable Hole Sizes Match Common Drill Bits. Durable Aluminium Alloy Withstands Workshop Use. V-Groove Supports Corners And Round Rods. Bright Red For Easy Visibility On Workpieces. Specifications: Material: Aluminium Alloy. Size: Approx105×70×25mm; allow 1-3cm variance. Colour: Red; colour may vary by screen. Angles: 30° 45° 90°. Hole Sizes: 3/16 1/4 5/16 3/8. Package Includes: 1xAngle Drilling Guide Tool Note: Colours May Differ Slightly Due To Lighting And Screen Settings. Allow A 1-3 cm Size Difference Due To Manual Measurement. Secure Knobs Firmly For Correct Angle Setting. Keep Dry To Avoid Oxidation. Not For High-Torque Industrial Machinery.