... many length ,10m,20m,30m,50m,100m 3.Environmental protection. Long steel Ruler, measuring tape1). This Measuring tape is use high quality ... anytime.Life is what we make it! Iten Name: Long steel Ruler Size 10-100mcolormulti colorsMaterial ABS or steelCharacteristicMeasuringProduction capacity30000 pcs/monthDelivery ...