Fully tapered design for fast, reliable measurement The gauge is fully tapered along its length to enable quick, straightforward gauging in professional environments. Durable metal construction for long service life Made from quality metal, this hole and cone gauge is built to last and maintain precision through frequent use. Precise construction supports quick, easy measurement with consistent results. accuracy for precision work The hole taper ruler provides measurement accuracy to 0.1 mm, making it suitable for fine work across a range of applications. Simple, practical design concentrates on reliable readings without unnecessary complexity. Key attributes Function: hole and cone gauging with a tapered length for fast measurement Material: metal for durability and longevity Accuracy: 0.1 mm Compatibility: suitable for measuring holes and conical bores, with a straightforward, intuitive use Use scenarios Quality control in machining: verify drilled or bored holes meet tolerance during production runs to ensure proper fit and function. Toolmaking and rework: quickly check bore sizes and conical surfaces during assembly or restoration processes. Automotive and industrial maintenance: inspect engine components, hydraulic fittings, or tooling bores to confirm correct dimensions before installation.