3 In 1 Square Angle Ruler Set Engineers 300/600Mm Adjustable Multi Combination Right Angle Ruler Protractor Measuring Tool Parts 3 In 1 Square Angle Ruler Set Engineers 300/600Mm Adjustable Multi Combination Right Angle Ruler Protractor Measuring Tool Parts Feature: 1. Quenched and tempered blades. 2. There is a spirit level on the square and protractor head. 3. 180 degree goniometer and center head. 4. The reversible protractor head is graduated. 5. Brass screw and scribe with built-in level. 6. Stainless steel ruler scales metric and imperial measurements. Specification: Material: Stainless steel Size: 300/600mm(11.81/23.62inch) Describe: 1. Solid combination tripod: Made of high-quality stainless steel, rust-proof, durable, strong, clear and accurate to use 2.Easy to read: 0-180 degree measurement range, slotted and etched 12 inch stainless steel ruler, easy to read 3. Versatile Tool Kit: Consists of depth, height and marking gauges, center, square and protractor heads as well as spirit level and scriber 4. Fine workmanship With beveled edge extension blade, roller knob and fine adjustment, ideal for measuring the inner and outer corners of parts 5. Portable and convenient: adopt a convenient and practical design, save a lot of measuring tools, and make your workbench clean and tidy 1GJ6004A