[Premium and Reliable]: This angle drill guide is made of high quality aluminum alloy material, which is , sturdy, wear resistant, and durable. [Accurate 3 Drilling Angles]: Portable drill guide for straight holes angled holes: 30 degrees, 45, and 90 degrees. [ 4 Different Sizes of Holes]: This Railing Cable drill template guide jig offers 4 different size holes, 3/16inch (4.76mm), 1/4inch(6.35 mm), 5/16inch(7.93mm), 3/8inch(9.52mm), which are for most Railing Cable hardware. [Easy to Use]: 30 45 90 degree angle drill guide jig is , small, easy to use and carry, building a stair railing becomes much easier and more. [Application]: Drill guides for wooden, and metal deck railing posts for cable railings and DIY woodworking Handrail projects. Colour:red Material:aluminum alloy Package Contents: 1 x Drill Hole Guide Jig 1 x Extended Positioning Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.