The Alpen 5.5mm x 110mm SDS Hammer Drill is designed for high efficiency and long-lasting performance. Its patented 4X stepped profile and self-centring tip provide precision and durability. Suitable for drilling in concrete, natural stone, and brickwork, this drill is bulk packed in boxes of 10. Brand: Alpen Size: 5.5mm x 110mm Design: Patented 4X stepped profile for superior efficiency Tip Type: Patented self-centring tip for clean, precise drilling Material: Ideal for concrete, stone, and brickwork Packaging: Bulk packed in boxes of 10 Application: Heavy-duty, long-lasting drilling performance