- Durable stainless steel forged construction with high hardness, wear resistance, and long-lasting performance for feeler gauge applications. - Superior form and contour measuring tool: optical calibration process yields deeper, clearer readings with a precise metric feeler gauge system. - Steel feeler blades: all sizes and numbers are embedded in the surface for quick visibility and easy reading; includes angle measurement capability. - Pipe clamp slot: made from high-quality material and designed for practicality; dual feeler gauge functionality for versatile use. - Use scenarios: - Automotive: set valve clearances and align engine components during assembly or maintenance. - Plumbing: check gaps in pipe fittings and joints to ensure proper seals. - Metal fabrication: verify part alignment and surface gaps during fixture setup and assembly. - Key attributes: function in metric scale, compatible with standard feeler gauge measurements, robust steel blades, and practical dual-gauge design for professional use.