Description: Material: This drill guide block is made of aluminum alloy, which is strong, wear resistant, and has a long service lifeAccurate 3 Drilling Angles: Portable locators drilling kit: 30 degrees, 45 degree, and 90 degrees, you can easily drill horizontal and vertical straight holes or bevel holes, the angle is fixed and not easy to deviate4 Different Sizes of Holes: 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), suitable for most railing cable hardwareEasy to use: Lag screw drilling template jig, lightweight, small size, easy to use, carry and store, contributing to work efficiencyApplication: Drill hole guide jig can be used for cable railings, DIY woodworking handrail projects, stair deck railings, installing wood, etc Specification: Material: Aluminum Alloy Size Chart: Packing size 20 cmx14.5 cmx5.2 cm/7.87 inchx5.71 inchx2.05 inch Package Includes: 1x Drill Guide Block2x Extension Rods2x Accessories Note: Please allow slightly errors due to manual measurement and different monitors.