18v, 4-1/2", angle grinder, bare tool, no battery or charger included, powerful 4-brush motor provides 10,000 no load rpm, optimized gear structure delivers long runtime for all-day grinding tasks, 2-position vibration control side handle offers comfortable control, outstanding cutting ability optimized for metal applications, burst-resistant wheel guard for additional protection to user, restart protection prevents accidental startup when switching batteries, lifetime brush design provides durability for long motor life, electronic cell & motor protection offers long runtime & 2x lifetime, large spindle lock presents convenience & easier change of accessories.