REPALCES (OEM): HUSTLER 781872 Fits Models: RAPTOR SD, X-ONE XR7 DECKS Specs: 5/8-11 X 1-1/4 inch HUSTLER 781872 BLADE BOLT RAPTOR SD X-ONE XR7 MOWERS BIG DOG We will send you an E-book ( Proper Lawn Care The Complete Guide ) within 24 hours after purchase. Write to us if you have any questions about models, part numbers. We will help you choose the right product as soon as possible ! NEW OEM HUSTLER 781872 BLADE BOLT RAPTOR SD X-ONE XR7 MOWERS BIG DOG Pack Size: 3 REPALCES (OEM): HUSTLER 781872 Fits Models: RAPTOR SD, X-ONE XR7 DECKS (NOT FOR RAPTOR OR RAPTOR LIMITED) Specs: 58-11 X 1-14 inches