Features: 1. Suitable for many air tools when used in conjunction with a 4L air tank (optional with on-board models) 2. Designed for inflating Tires and air locker activation when used in conjunction with optional accessories 3. anodized mounting bracket dissipates heat 4. 100% duty cycle 5. Over-pressure safety valve equipped 6. Hard anodized cylinder bores for reduced friction 7. Motors are internally thermal protected against extreme temperature damage.