The Central Tools 6434 Sleeve Height & Counterbore Gauge is a precision tool designed for precise metalworking jobs. This gauge's durable design ensures long-lasting use, making it an investment for any skilled engineer or mechanic. With its adjustable sleeve height, it can measure various grades of steel, making it a versatile addition to any workshop. Its accurate counterbore feature allows for quick and easy zero-out adjustments, enhancing efficiency and accuracy. The easy-to-use slide button design and clear markings make setup and use straightforward for even novice users. Offering reliable performance and a sleek, compact design, the Central Tools 6434 Sleeve Height & Counterbore Gauge is a must-have for any skilled metalworking professional.