Bring drill press accuracy and versatility to handheld drilling jobs! Perfect for drilling accurate straight or angled holes! Your portable drill guide when used with your standard electric drill, brings drill press accuracy and versatility to handheld drilling jobs! Drills accurate vertical or variable angled holes with built-in protractor scale Easy-to-read protractor scale with 5-degree increments Boring holes on angles is also possible up to 45°; Adjusts to 45-degree angle either side of vertical Portable and lightweight; folds flat for toolbox storage Built in depth stop for accurate depth control and drilling blind holes; Maximum depth is 150mm. Dual locking knobs for holding precise angle setting Anchoring pins hold the guide securely on flat surfaces and centre the tool for drilling The V-guide in the attachment base makes drilling round stock easy. 10mm (3/8”) chuck - designed for all up to standard 3/8” shank size Twist & Brad Point Bit drills Works with Forstner bits, hole saws, drill bits, spade bits and plug cutters Cross slide lock for shaping, carving, sanding and buffing applications How to use: Connect the drill to the attachment via the 3/8" shaft, insert the bit you need in the separate 3/8" drill chuck and begin to work. Includes: Portable Drill Guide, 10mm chuck, 10mm key and adaptor