The Alpen 40.0mm x 920mm SDS Max Hammer Drill is designed for heavy-duty drilling in concrete, natural stone, and brickwork. Its durable construction ensures reliable performance in demanding environments. Brand: Alpen Size: 40.0mm diameter, 920mm 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