Description Husqvarna genuine OEM 5/16" shaft collar unplated.Husqvarna 523311901Factory genuine Husqvarna part Related Products 7/16 Shaft Collar Unplated | 523312201 MSRP: Was: Now: $4.40 Add to Cart The item has been added 9/16 Shaft Collar Unplated | 523287901 MSRP: Was: Now: $4.40 Add to Cart The item has been added 5/8" Shaft Collar Unplated | 523310301 MSRP: Was: Now: $5.50 Add to Cart The item has been added 1" Shaft Collar Unplated | 523309801 MSRP: Was: Now: $5.50 Add to Cart The item has been added 1" Shaft Collar Unplated | 523311801 MSRP: Was: Now: $8.80 Add to Cart The item has been added