The Alpen 30.0mm x 370mm SDS Max Hammer Drill is designed for high-performance drilling in concrete, natural stone, and brickwork. Its durable design provides reliable performance for heavy-duty applications. Brand: Alpen Size: 30.0mm diameter, 370mm 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