Ratcheting screwdriver set features a 180° rotation head and 45 tooth gear systems for access in tight space and smooth directional switching, backed by 40 bit for multifunctional tasks Engineered with ergonomic antislip grip and security ( handle / sleeve / case), this professional toolsets includes color coded bit for fast identification during electronics repair or automotive maintenance For motorcycle engine maintenance, and laptop disassembly with the vibrations resistant bit and compact shockproof case The color coded 40 in 1 bit set in a portable case, perfect for HVAC technicians, plumbers, and hobbyists working across elevatedly or confined workspaces For electricians adjusting breaker panel, cyclists performing roadside repairs, and DIYer enthusiasts assembling intelligent home devices or flat pack furniture, Manufacturer: RGYBAO