Compass 20mm20 mm plastic compass plastic compass Round compass

Product Description Product Name: Compass (compass, compass, Sinan), 20mm compass, 20 mm compass, 2CM compass, 2 cm / 2 cm compass, plastic compass, plastic compass, oiling compass, all environmentally friendly materials, exported to Europe and Japan . Shape: Round, cylindrical; Dimensions: Diameter 20mm * thickness of 7.2mm (± 0.2mm tolerance); whether the oil-filled: No, no oil money (do oil-filled models); material: plastic transparent acrylic shell surface material, Bottom of Taiwan and Taiwan ABS; accuracy: plus or minus 15 degrees (Normal style precision of plus or minus 15 degrees, such as requiring higher Please indicate the specific requirements, using magnetic pointer to ensure accuracy within plus or minus 10 degrees, such as use the pointer, the accuracy can be higher).