45/90 degree central viewfinder, right angle line gauge, carpenter tools for marking discs, discs and trees

Reliable quality: use of high-quality aluminum alloy, high strength and precision, high quality, long service life and high practicality. High precision: accurate angle measurement, easy to operate and transport, easy to slide, 45/90 degrees available, 90 degrees metal can be 45 degrees. Save time: Carpenter's practical measuring tool is practical and saves time. This ruler is easy to operate and provides good working efficiency, which helps to improve efficiency and save time. Portable: small size, easy to operate, easy to transport, easy to operate. It can mark soft metals and wood and is well suited for searching for accurate centers. Scope of application: For marking the center of disks, discs and trees. Woodworking Center, Square Center, 45 Degree 90 Degree Right Angle Wire.