Discover The Groz Gauge Screw Cutting Scg4714 – Your Go-To Solution For Reliable Performance In Workshops And Homes. Manufactured From Hardened And Polished Stainless Steel Gauge Surfaces Are Accurately Ground Useful For Checking Tool Angle While Cutting Threads In Metal Turning Lathes The Angle On The Thread Cutting Tool Is Checked On The V Slots In The Gauge Specifications Relief At The End Of Each Slot Enables Proper Seating Of The Cutting Tool In The Slot Thus Ensuring Correct Angle The Gauge Clearly Indicates 55 Degrees For Whitworth And Bsf Threads; 47-1/2 Degrees For Ba Threads, 60 Degrees For Metric And American National Threads And 14-1/2 Degrees For Acme Threads Designed To Meet The Demands Of Local Conditions, This Product Offers Lasting Durability And Efficiency. Whether You’Re A DIY Enthusiast Or A Professional, Enjoy Hassle-Free Use And Consistent Results Every Time.