Faithfull Inside Spring Caliper

The Faithfull 100mm (4 inch) Inside Spring Caliper offers versatile measuring capability for a wide range of internal measurement applications. This mid-range size is well-suited for general workshop use, providing excellent reach for measuring internal diameters of pipes, cylinders, and machined components. Constructed with polished, natural steel finish legs made from flat stock, this caliper is carefully balanced to ensure steady handling and accurate readings. The treated points deliver reliable durability, whilst the strong but flexible bow spring maintains consistent tension throughout the measuring process. The centrally located adjustment screw enables smooth and precise adjustments, giving you complete control over fine measurements. An excellent all-round choice for engineers, machinists, and skilled tradespeople who require dependable internal measuring tools for everyday workshop tasks. Features and Benefits: • 100mm (4 inch) capacity for versatile measuring applications • Polished natural steel finish legs for longevity • Treated points ensure continued accuracy • Strong but flexible bow spring for consistent tension • Centrally located adjustment screw for precise control Specifications: Spring Type: Internal Size (mm): 100