PREMIUM QUALITY: Made of aluminum alloy, resistance, long service life, in use. FUNCTION DESIGN: measurements. When you measure with one end, the other end has the same value. DELICATE WORKMANSHIP: Fine workmanship, practical, wear-resisting, high , excellent quality. HIGH ACCURACY: Professional use, providing extreme cutting accuracy, accurate scale, exquisite workmanship, high . APPLICATION: Easy to use, flexible operation, suitable for woodworker enthusiasts, designers, engineers,, Manufacturer: Akfldms