Genuine OEM Replacement Part # 089037005177-2PK. Consult owners manual for proper part number identification and proper installation. Ridgid R4511 Table Saw Replacement Rip Fence (2 Pack) – 089037005177-2PK. Includes (2) 089037005177 Rip Fences. Please refer to list for compatibility. Compatible with the following: Ridgid: R4511 10-inch Table Saw. Signature Confirmation required to P. Boxes and APO’s. We will make every effort to correct the situation. We are Authorized Distributors, our products carry full manufacturers warranties (applicable to all NEW items). This will be clearly stated on the listing. Tool Supply Direct 34490 Melinz Parkway Eastlake OH 44095.