Electric PTO Clutch Direction: Clockwise, ID: 1 1/8 ", Clutch Applications: Residential and commercial, Uses belt width: 1/2 ", Designed For: Rugged use, For Proper Ordering: Reference Warner or Ogura part numbers stamped on clutch, Torque Correctly: To prevent premature failure, Made By: An OEM supplier, Diameter Pulley: 4 7/8 ", Height: 3 1/8 ". Fits Models: Replaces Part Numbers: Warner 5218-226, Grasshopper 388771, Warner 5218-170 Stens Part Number: 255-771