The HERCULES® 1/4 in. 4 Amp Die Grinder has a high performance motor that won’t bog down, delivering speeds up to 25,000 RPM. The slim barrel design with overmold grip provides ultimate access with comfort and control. The ventilated housing directs exhaust away from the user, directing air over the head for cooler grinding. The lightweight design offers effortless maneuverability in hard-to-reach areas, making it ideal for reworking dies, polishing metals, material removal and metal grinding applications.