Item Type: Stair Gauge Knob_x005F_x000D_Material: Aluminum Alloy_x005F_x000D_Size: Diameter: Approx. 1.96cm / 0.77in, Length: Approx. 4.2cm / 1.65in_x005F_x000D_Gross Weight: Approx. 89g/3.1oz 1Premium Material: The high stair gauge is made of premium aluminum alloy with anodized surface, rust proof, stable and durable. 2Application: Stair gauge knob is very stable and accurate, used in woodworking square mark repeat angle, guide saw to do angle cutting. 3Non Slip: This stair gauge knob tool is designed to be non slip and durable, easy to grip and tighten any rafter. Small and easy to carry. 4Convenient And Practical: Stair stringer layout tool for your saw on the guide, used to guide the saw to make angular cuts. 5Professional: Gives you an accurate framing jig and very precise layout, sturdy structure helps ensure the strength and durability. 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!