Belts may dry out and tear over a long period of time, and worn belts will slip and be dangerous, so they need to be replaced in time. 3Pcs for Bench drill for K478 Drill press Rubber Vee-belt drive Driving belt. Drive Belt have good elasticity, which can dampen shock and vibration during working, ensure smooth and noise-free movement. The belt is soft, the toughness is better, the accuracy is more accurate, and the elasticity is better. as a replacement belt or backup belt. Made of rubber material,oil and heat resistant,Excellent flexibility and resistance to lateral pressure,smooth transmission,excellent flex, long service life.