Sealey Worksafe® SDS MAX Drill Bit 25 x 520mm. Superior quality SDS MAX drill bit suitable for a variety of applications. Drills are fully hardened and ground. Model No. MAX25X520. Weight: 1.03kg. Superior quality SDS MAX drill bit suitable for a variety of applications. Drills are fully hardened and ground. Size: Ø25 x 520mm. Payment & Postage. Customer Service. Warranty & Returns. When making a purchase from any of our eBay listings you are entering into a contract governed by our terms & conditions. Please ensure you have read these before making your purchase. We are based in the UK and all electrical items that require a plug are shipped with a 3 pin UK plug unless otherwise stated. Images shown are for demonstration purposes. Product will match description but may vary.