The Kramp A137646 is a genuine AYP Knife Shaft featuring a 5-point mounting system, designed for various lawn and garden equipment. This durable shaft has a total length of 165 mm, a shaft length of 120 mm, and a shaft diameter of 12.7 mm. It includes 4 mounting holes with a 9.5 mm diameter, spaced 92 mm apart, and a housing diameter of 25.4 mm. It serves as a direct replacement for OEM part numbers such as AYP 137646 and Husqvarna 532137646, ensuring reliable performance for compatible models from brands like Husqvarna, Craftsman, Jonsered, Partner, Poulan, Rally, and Weed Eater.