Compact 13-piece screwdriving tool set ideal for bicycle applications, DIY assembly work and repairs. Contains ergonomic Kraftform bit hand-holder with Rapidaptor quick-release chuck and 12 bits. Multi-component Kraftform handle for fatigue-free working. Supplied in a robust and lightweight folding pouch. Suitable for mobile use. Chrome Molybdenum Steel Blades Ergonomic Handle Kraftform Holder Rapidaptor Quick-Release Chuck Chrome Molybdenum Steel Blades Ergonomic Handle Kraftform Holder Rapidaptor Quick-Release Chuck