Velleman offers wide selection of products ranges from hard to find electronic components connectors and adapters to the latest tools and equipments. Our most popular products are our line of Kits and Minikits which challenges makers to assemble solder and build projects. These DIY kits along with our extensive line of tools and components spark the inventor in everyone and help inspire the engineers of tomorrow. Specifications Length: 7.5 ?: 0.8 Spare Bit: Bitvtd4 Material: ABS & Aluminum - SKU: VLLMN2780