🔧 Elevate Your Boring Game! Hardened and ground adjusting screw for longevity. Boring head moves freely for effortless adjustments. Engineered for accuracy, perfect for the modern workshop. Experience chatter-free boring with superior rigidity. Handles up to 3/4" for diverse applications. Precise Hole Accuracy R8 Shank Taper 3" Head Size The HHIP 1001-0107 3 Piece Boring Tool Set is designed for precision and durability, featuring a 3-inch head size and R8 shank taper. With a tool capacity of up to 3/4 inch, this set ensures smooth operation and chatter-free boring, making it an essential addition for professionals seeking accuracy in their machining tasks.