Features: Crafted from premium stainless steel, this aluminum profile drill guide offer durability and corrosions resistance, featuring 6mm, 8mm, 10mm, and 14mm drill bushings for versatile aluminum framing projects. Its stepped designs minimizes friction during operations while the selves centering feature ensures precise hole alignment, delivering professional accuracy in metalworking tasks. Ideal for professional metalworkers, furniture manufacturers, and enthusiasts seeking tool for structural assembly or fabrication projects. Perfect for constructing industrial aluminum frames, assembling modulars furniture systems, or executing precisions driven home workshop renovations. Engineered to withstand heavy duty use, this stainless steel drill bushing set combines Wear resistant construction with ergonomic functionality, making it indispensable precisions drilling tool for aluminum extrusion applications. Specifications: Component:Stainless Steel Type:6mm/8mm/10mm/14mm Drill Guide Bushing,6mm/8mm Drill Bit Package Includes: 1Piece Drill Guide Bushing or Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.