The 150mm Dial Vernier Caliper from Homeroom Trades is designed for precise inside, outside, depth, and step measurements, making it an essential tool for education. This stainless steel micrometer caliper features a dial that measures up to 150mm with 0.03-inch accuracy and a resolution of 0.01mm/0.02mm, ensuring reliable and detailed readings. Its lockable head design allows for secure and accurate measurements, ideal for hands-on learning environments. Delivered shop-ready, this caliper supports schools and school boards in equipping classrooms with industry-standard tools. Trust Homeroom Trades to provide durable, precise instruments that prepare students for success in the trades.