This Vernier Caliper is the best and popular slide caliper in Bangladesh. Length: 6″ (six-inch), Made by Metalic Steel, Made in China, Quality & Price: Best Quality & Lowest Price. If you search for the best quality but the lowest price this will be the best choice. Scientech is an importer and Wholesaler of Vernier Calipers in Bangladesh. We have digital calipers also.