• Instant inch/mm conversion. • Zero the reading at any position. • Starrett no-glare satin chrome finish on thimble and sleeve. • Balanced, tapered frame for comfortable and accurate measuring. • Micro-lapped carbide measuring faces. • Auto oFF after 30 minutes of non-use. • Extremely hard and stable one piece spindle, the heart of our accuracy and smooth operating one piece friction thimble. • MEXFL - Thimble with mm scale. • XFL - Thimble with imperial scale. • Without data output. • Sets available.