Compact Woodworking Aid: Small (4.13 inches by 2.75 inches) design transforms standard drills into hole making tools for deck building, stair improvements, and detailed woodcraft projects Easy to carry and use for various applications Accurate Angled Drilling: Achieve professional results with preset angles (30° / 45° / 90°) for perfectly straight or angled holes in wood / metal posts, ideal for cable railing setups on decks and staircases Strong Aluminum Build: Made from good aluminum alloy with reinforced steel inserts for extended use and consistent results through repeated drilling tasks Secure V Shaped Base: 90 degree angled base firmly holds round posts / pipes to reduce movement during use, ensuring stable on both flat and curved surfaces when clamped correctly Provides stability for accurate drilling Multiple Hole Dimensions: Features four guide hole sizes (3 / 16 ", 1 / 4 ", 5 / 16 ", 3 / 8 ") to accommodate common fasteners / cable systems, includes coated drill bits for quick project setup, Manufacturer: ZBIianxer