1. The steel ruler can be stuck in the bevel slot, and the locking is more stable2. The built-in strong magnet absorbs the steel ruler, which is more convenient to adjust3. The adjustable steel ruler width is 20-30MM4. Suitable for student painting, architectural design, carpentry measurement, etc.5. The combined square ruler supports 45-degree and 90-degree measurement to meet your angle requirements, convenient for measurement, cornering, and marking, and is very suitable for carpentry and joinery measurement6. Made of high-quality aluminum alloy, it is sturdy and durable, rust-proof and wear-resistant, not easy to break and deform, and can be used for a long time7. Weight: 140 grams8. Note: Long ruler is not includedSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 128 Carton Weight 20.30kgs / 44.75lb Carton Size 42cm * 34cm * 34cm / 16.54inch * 13.39inch * 13.39inch Loading Container 20GP: 549 cartons * 128 pcs = 70272 pcs40HQ: 1275 cartons * 128 pcs = 163200 pcs