QISF7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic

Description

🔧 Drill deeper, drill smarter—own the precision edge!

The QISF 7Pcs 300mm Extra Long Twist Drill Bits Set includes 7 high-carbon steel drill bits (4-12mm) and 9 adjustable depth stop collars (3-16mm) designed for precise, controlled drilling in wood, plastic, and soft metals. Engineered for durability and accuracy, this set empowers professionals and DIYers to achieve flawless hole depths with extended reach and secure bit stability.