Norton 66623399174 4-1/2x5/8-11” Gemini R766 ZA AO Type 29 Flap Discs 120G 10 pk
Norton Part # 66623399174. Grind with high performance at an economical price with this Type 29 Gemini R766 center mount fiberglass conical flap disc. Series: Gemini R766. Arbor: 5/8" - 11.