Vernier Caliper Benefits - Enables precise measurement of outside, inside, and depth dimensions with a vernier scale for high resolution - Easy to read and quick to switch between metric and imperial scales when needed - Durable metal construction designed for daily workshop use - Smooth sliding action with a locking screw to secure measurements - Versatile tool suitable for a wide range of standard parts and components Key attributes - Function: measure external diameter, internal diameter, and depth - Size: available in multiple lengths; model dependent - Material: metal, typically stainless steel or hardened steel; corrosion resistant - Performance: accurate vernier scale, clear etched markings, reliable zero setting - Compatibility: designed to work with standard caliper scales for various measurement tasks Use scenarios - External dimension: measure the outer diameter or thickness of a machined rod, bolt, or pin - Internal dimension: measure bore or hole diameter using the inside jaws - Depth measurement: determine the depth of slots, channels, or recesses with the depth probe Maintenance and care - Wipe clean after use; avoid exposure to harsh chemicals - Verify zero positioning before each measurement - Store in a protective case to prevent damage to the scale and jaws