The Alpen 22.0mm x 320mm SDS Max Hammer Drill is designed for high-efficiency drilling in concrete, natural stone, and brickwork. Its sturdy design ensures long-lasting performance and reliability. Brand: Alpen Size: 22.0mm diameter, 320mm length Application: Suitable for heavy-duty drilling in concrete and masonry Design: Engineered for optimal performance and efficiency Compatibility: Fits all SDS Max rotary hammers