The Alpen 20.0mm x 520mm SDS Max Hammer Drill provides excellent drilling capabilities in concrete, natural stone, and brickwork. Designed for durability, it’s ideal for professional applications. Brand: Alpen Size: 20.0mm diameter, 520mm 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