Lawn mower blade holderFor Alpina mowers Models: A460 E, A460 WE, A460 WSEAL3 46E, AL3 46SEFor GGP mowers Models: NG 410, NG 460CL 430, CL 480R 430, R 480 (Not all models are listed above) Central bore: 17mmHeight: 41mmWell depth: 23mmWell bore: 18mmOther reference: 1111-9628-01, 22463186/3Do not hesitate to contact us for any information.Original manufacturer part.