Description: This angle gauge is made of high-quality stainless steel, with high hardness and durability. This is a set of practical angle gauges for measuring drill bit angle and inspecting drill bit cutter, and comes with a case, convenient to carry. Features: This angle gauge is made of high-quality stainless steel, with high hardness and durability. Angle gauge front edge diameter, 50 gauge, 118° tip angle for twist drill, grinding gauge suitable for 118° tip diameter no more than 50mm grinding of twist drill. Check the tip angle of the drill bit (60°, 70°, 90°, 110°, 118°, 125°, 135°, 150°, 160°). The cutting tool angle is 60 degrees for a tooth-shaped angle. 55-degree angle and metric thread, inch thread inspection, blade and special measuring apparatus for measuring angles. Is a practical angle gauge in drill bit angle measurement and inspection of drill bit cutter. Comes with a case, convenient to carry. Specifications: Material: Stainless steel Accuracy: ±5° Suitable for: Angle measurement Drill diameter angle gauge: 90mm/3.24in Drill bit set angle gauge: 80mm/3.15in General angle gauge: 50mm/1.97in Quantity: 3 pieces Weight: 100g Package Includes: 1 x Drill diameter angle gauge 1 x Drill bit set angle gauge 1 x General angle gauge 1 x Case 1. This angle gauge is made of high-quality stainless steel, with high hardness and durability in use. 2. Angle gauge diameter drill bit front edge 50 gauge 118° tip angle for twist drill grinding gauge suitable for 118° tip diameter no more than 50mm grinding of twist drill. 3. Check the drill tip angle (60°, 70°, 90°, 110°, 118°, 125°, 135°, 150°, 160°). 4. Is a practical angle gauge in drill bit angle measurement and inspection of drill bit cutter sharpening angle. 5. The cutting tool angle is 60 degrees for tooth-shaped angle. 55-degree angle and metric thread, inch thread inspection, blade and measuring apparatus special for measuring angles.