Extend Body Profile: Small square tool outer dimensions 3.93" x 2.67" x 0.59", extend design much more suitable for carpenters square woodworking which one generally needs something bigger, center marking hole suitable for allow larger pencils, center marking hole bottom is 1/16" diameter for the pencil in a perfectly detailed precision centered position as you scribe the line.Wide Application: Come with double pins made you quickly determining exact centers on the edges of boards, easily check that the board edges are square to the face, squaring your table and saw blades and square up chisel and plane blades in honing guide, quick check before drilling work, It very handy for mini small square projects.High Quality: This mini center finder square tool is made of high quality aluminum alloy. CNC-Machined Anodized Orange surface,rust proof, durable and corrosion resistant.Laser Engraving Scale: Mark the "inch" scale on the side of the center finder ruler, the scales is accurate, durable and easy to read, it is very useful for measuring square work.Easy to Carry: The edge Marking center finder perfect little size fits in your pocket and into the corners of small boxes and areas. Product Description Material Aluminum alloys Aluminum alloys Aluminum alloys Aluminum alloys Aluminum alloys Aluminum alloys Characteristic High Quality, Laser-printed High hardness, Protective powder coated Precise positioning, Sturdy and durable High precision, Rustproof and durable Accurate clear scale, Quickly measuring Precise positioning, Sturdy and durable Easy to Use