Inner Outer Diameter Measurement CT2305 - 6in Composite Caliper - Neilsen Tools Vernier Caliper Dual Scale: Imperial and Metric measurements for versatile use. Vernier Calliper (Dual reading Versatile Measurement: Ideal for inner, outer diameter and depth. 300mm 200 Electronic Digital Caliper LCD Plastic Vernier Caliper Long Jaw Micrometer Inner Outer Diameter Gauge Measuring Tools Precision Accuracy: Ensure accurate readings every time. Composite Construction: Lightweight and durable for long-lasting use. 6" 150mm Vernier Gauge Digital Caliper Measuring Incl Batteries (Neilsen CT2305 Featuring a dual scale with both imperial and metric readings, it is ideal for measuring inner and outer diameters, as well as depth. Item Specifications: Brand: Neilsen Product Code: CT2305 Type: Composite Calliper / Vernier Gauge Length: 6 inches / 150 mm Scale: Dual (Imperial / Metric) Measurement Capability: Inner Diameter, Outer Diameter, Depth Usage: Professional and DIY applications Ideal For: Workshops, garages, precision measurements Its compact design makes it easy to carry and store, making it a must-have tool for professionals and DIY enthusiasts alike.