Our new Sure-Flex Plus® EPDM and Neoprene sleeves are best-in-class for coupling performance and value. Their 4-way flexing action absorbs virtually all types of shock, misalignment, and end float. With Sure-Flex couplings, the need for lubrication and maintenance is eliminated. No Lubrication, Quick, Easy Installation, No Maintenance, Clean Quiet Performance. 4 Way Flexing Quick, Easy Installation Clean, Quiet Performance Agitators, Blowers, Pumps, Machinery, Mixers, Packaging machinery, Gearboxes, Machine tools Temperature Range: -34°C to 135°C Gives additional grip Resistant to oil, dirt, sand, moisture, and grease Fail-safe, tough performance and flexible use