1.PIPE MARKING TOOL – 's Pipe Marker is an easy-to-use marking tool designed for pipe fitters and welders as an economical measuring tool for setting center lines, establishing angles and marks for butt-ins, locating points inside pipes and tanks, laying out keyways, and measuring declivity 2.STANDARD SIZE – This Curv-O-Mark Standard #6 model tool may be used on pipes and tanks that measure 1/2 inch in diameter or larger 3.ACCURATE PLACEMENT – The center finder has a 4 inch Y-type head that conforms to pipe curvature 4.BEST OPERATION – Use this manual hardened centering pin angle finder with a small hammer or mallet to tap the pin in for the most effective pipe marking Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!