description: 100% new high quality Clearly marked metric graduations. 3 color coded sides, each side with different scales. Color as shown Material: Plastic Length: 30cm/12" Small proportion: 1:20, 1:25, 1:50, 1:75.1:100, 1:125 Large proportion: 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 Uses:6 scales allow precision drawing for architects, engineers and carpenters. Package included: 1x Triangular Metric Scale Ruler
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Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding Machine PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.