Archimedes Swivel Head Vice Specifications: Traditional Archimedes drill, perfect for model making and other small work. The small size makes it easy to drill accurately compared to large bulky powered drills. Also often used to deepen centre punched holes before drilling. Suitable for micro drills up to 0.9mm. Total length of drill; 95mm. Brass finish. Keyless thumb chuck. Drill turns simply by pushing down on mechanism Easy to use spring action 20pc Hss Micro Twist Drill set Specifications: Pack of 20 Stored in a plastic indexed box with sliding window. The specially designed box keeps bits securely in place and dispenses only one bit at a time. Sizes: 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm.