... promotional gifts, 3. Logo printing is available 4. material: PVC ECG ruler Detailed Product Descriptio1.BMI wheel, medical ruler2.Good promotional ... , promotional gifts, BMI wheel, medical ruler(ophthalmology ruler), goniometer ruler, ECG rulerMaterial: PVC or ABSSize: 170*60MMMOQ: 5,000 pcsPacking: each ... daysProduction lead time:20 dayscustomers' designs and logos are welcome. ECG ruler