Klein Tools Square Set 93547SQVP 4 1 2 Inch Trim and 7 In Rafter Aluminum Layout Scribe (0 To 90 Deg Dual Reference Base Laser Etched Markings) Forstner Bits Massive 1 1 2 Inch Cutting Diameter: Maximizes Massive 1 1 2 Inch Cutting Diameter: Maximizes surface coverage per pass to accelerate wide slab leveling and spoilboard planing routines 529 kg) Universal Product Code (UPC) 037103332332 Manufacturer Warranty Full Lifetime Warranty Suitable for material type Black Iron 31 kg) Global Trade Item Number GTIN 00092644935411 Pro Tip: Place the carpenter pencil lead directly inside the desired scribe notch and slide the square lip along the edge of your timber to quickly scribe long roof framing