Professional Metric Ratchet Combination Spanners engineered for strength, precision and access in tight spaces. Manufactured from durable chrome vanadium steel with a high-quality mirror polish finish that resists oil and dirt buildup, making cleaning fast and easy while helping to prevent corrosion. Features a fine 72‑tooth ratcheting ring requiring only 5° of movement for efficient work in confined areas. The thin-wall design offers improved access around obstacles, and the ratcheting head flexes up to 90° in either direction for versatile positioning and comfort. Chrome plated to further protect against rust and wear. Ring head offset is 15° and open end head angle is 15° for better knuckle clearance and controlled leverage. Designed and manufactured to meet ASME B107.6 standards for professional performance and reliability. Ideal for mechanics, engineers, fitters and serious DIY users seeking dependable, smooth ratcheting spanners for frequent use.