【1 Piece Has Multiple Sizes】Our stud framing spacing tool triangles markings to quickly identify 12", 16"and 24 ". The adjustable design of the framing tool has a 1-inch distance between the centers of the holes, which is adjustable from 12-24 inches to meet a variety of different keel spacing needs eliminating the need to carry multiple tools! 【13 Different Spacings】Upgrade 12, 13, 14 ,15 ,16 ,17 ,18 ,19 ,20 ,21 ,22 ,23 and 24 inch framing jig for DIY projects, which allows it to measure quickly without the need for a ruler. The tool have three notches are designed to accommodate three pieces of 1.5" wide wood with proper alignment, either parallel or perpendicular suitable for walls, roofs, floors, or ladders. 【Premium Wall Stud Framing Tool 】 Metal stud framing tools make of heavy duty metal with Black powder anti-rust coating for durability, can withstand repeated use. 【Efficient framing jig】Whether you have experience or not, you can make a professional frame with no effort. Without repeated measurements, direct adjustment and installation, connecting and fixing the frame is a breeze. 【Precision】Not only does the wall framing stud tool save time, but the measurements are so precise that it prevents errors and ensures that the wall stud layout is spot on every time. This accuracy greatly improves the quality of your framing and structure to make you can confidently tackle any framing task. Framing Tools, 16 Inch On-Center Stud Layout Tool triangles markings to quickly identify 12", 16"and 24 ". The adjustable design of the framing tool has a 1-inch distance between the centers of the holes, which is adjustable from 12-24 inches to meet a variety of different keel spacing needs eliminating the need to carry multiple tools!