Double Ball Bearing - Increases load bearing capacity and durability. Great Value for Money - Good performance at an economical price, High Grade Alluminium Blades - High grade alluminium sheets used for blades help increase durability and provides consistent performance. Quick-Start High Torque Motor - Provides instant comfort by achieving high performance quickly. Ribbed Blades - Improves Blades stability, Rust Free Powder Coated Finish - Improves durability by ensuring protection against rust and providing a super clean surface. Superior ball bearing gives whisper quiet operation and longer life. Superior grade electric steel lamination for longer life and low power consumption.