2 set tool:1 x Digital Angle Ruler (Included battery) & 10 x Drywall Screwdriver Bit  PH2 screwdriver bits designed specifically for use with Phillips drywall screws, with a 1/4inch hex shank for use in bit holders  Heat treated to resist breakage and wear, shock resistant tool steel for maximum durability  Depth stop design can limit screw penetration and damage to board, more easy to install the drywall screws  Suitable for plasterboard screws locating and as drywall dimpler bits.Designed to match with any power drill and cordless drill for normal usage    1.100% Brand new  2.Made of Plastic material, allowing you durable ruler, good rigidity, no deformation.  3.It is designed for holding at any angle and at any times.  4.The item has 360 degree inside and outside measuring with metric and imperial scale.  5.Great for construction, DIY projects, woodworking, decoration and more.  Application: Plasterboard/drywall screws installation, etc.  Type of Head: Cross/ Phillips PH2  Type of Shank: 6.35mm / 1/4-Inch Hex  Material: Steel + Plastic  Total length: 65mm/ 2.56-Inch  color:silver + red + Black  Style: blue blisters  Size:180mm  Measuring Range:0°~200°  Working Temperature: 0°C-+50 °C  Working Humidity: less than 85%RH  Working Current:less than equal 20uA  Accuracy:0.5°  Battery: CR2032 3V Lithium Battery    Package Contents:  1 x Digital Angle Ruler (Included battery)  10 x Drywall Screwdriver Bit    Only the above package content, other products are not included.  Note: Light shooting 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.