PERFECTLY CENTRED HOLES: This Trend Snappy drill bit guide is designed to deliver perfectly centralised pilot holes every time, eliminating offset screws and misalignment issues. Ideal for fitting countersunk hinges and other ironmongery with precision. NO.8 SCREW COMPATIBLE: Specifically crafted for No.8 (4.0mm) gauge screws, it makes the correct sized pilot hole for any fitting that requires this screw size. SELF-CENTRING DESIGN: Featuring a bevelled nose design, the drill bit guide automatically self-centres when positioned in a countersink. For improved accuracy and reduced drilling errors. FAST ACTION DRILLING: Equipped with a spring-loaded drill bit for quick and efficient operation in both hard and softwoods. Enhance your drilling performance and save time on your projects. SNAPPY CHUCKS COMPATIBLE: Designed for a direct fit to Trend Snappy Chucks. It is also compatible with the Quick Release System, allowing for seamless integration with your existing tool setup., Weight: 0.09 pounds, Manufacturer: Trend