Accurate measurement from 0 to 6 inches / 0 to 150 mm. Dual scale design for metric and inch readings. Made of high quality ABS engineering plastic. Lightweight, durable, and easy to clean. Smooth sliding mechanism for easy operation. Locks securely to hold measurements. Perfect for students, office use, jewelry measuring, eyebrow mapping, and DIY projects. Set includes 2 pieces. Available in Black, Orange, Red, Blue, Pink, White. Great value pack. This plastic vernier caliper is made of high quality ABS engineering plastic. Lightweight, smooth sliding, provides accurate measurement from 0 to 6 inches (0 to 150 mm) with dual scale (metric/inch). Perfect for students, office workers, jewelry makers, and eyebrow mapping. Each set includes 2 pieces. Available in Black, Orange, Red, Blue, Pink, White.