The Alpen 12.0mm x 540mm SDS Max Hammer Drill is designed for high-efficiency drilling in concrete, natural stone, and brickwork. Its robust construction ensures durability and performance, making it an ideal choice for professional contractors. Brand: Alpen Size: 12.0mm diameter, 540mm 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