The Neilsen 250mm Core Drill Extension is designed to extend the reach of your Neilsen Core Drills, allowing for deeper drilling in brick, block, and masonry. This extension is robust and easy to fit, making it an essential accessory for professionals and DIYers alike. Length : 250mm Compatible : Suitable for use with Neilsen Core Drills. Durable Construction : Ensures long-lasting performance. Ideal for Deep Drilling : Extends your core drill for greater depth. Brand : Neilsen