Multi Angles: 30 45 90 degree angle drill template block with 4 bits, you can easily drill angled holes and straight holes, the angle is fixed and not easy to deviate4 Sizes: This drill guide jig provides 4 different sizes of holes, 3/16 inch (4.76 mm), 1/4 inch (6.35 mm), 5/16 inch (7.93 mm), 3/8 inch (9.52 mm)Premium Material: This drill guide jig kit is made of steel material, high strength, wear resistant, sturdy, not easy to break and has a long service lifeEasy to use: Portable drill block woodworking tool, compact and lightweight, easy to use, carry and store, contributing to work efficiencyWide Applications: The drill guide jig kit can be used for cable railings, handrails, stairs, decks, wood posts and other DIY woodworking projects Specification: Material: Steel Size Chart: 7cmx2.65cmx10.5cm/2.76inchx1.04inchx4.13inch Package Includes: 1Drill Guide Jig4 Bits Note: Please allow slightly errors due to manual measurement and different monitors.