General description The Moore & Wright 3308R Firm Joint Inside Caliper is designed for precise internal measurements. Made from polished tool steel, it features a large-headed nut and screw assembly that ensures a firm, rigid, and play-free joint, providing high accuracy and durability for measuring internal dimensions. Technical specifications Measurement Range: 0 - 200mm (8 inches) Effective Leg Length: 200mm (8 inches) Material: Polished tool steel Standards: Manufactured to BS3123 standards Capacity: Generally 1/3 greater than the effective leg length Compatibility and accessories Designed for internal measurement tasks Compatible with standard measuring tools for calibration and verification Installation No special installation required; simply adjust the screw and nut to set the measurement Usage Use the caliper to measure internal dimensions of objects with precision Adjust the screw to lock the measurement in place during use Other information Manufactured from durable