The bolt holes on the housing are threaded. The spindle can be installed directly. for AYP 174356 174358, Husqvarna 532174356 532174358 532192656 539107515 587125201. AYP/ELECTROLUX fits 48 inch deck 2002 and newer Husqvarna. For Craftsman dlt2000 48 inch deck. for Husqvarna GTH2548 GT2248 GTH2248 YTH1848XP YTH2448 YTH2748 Z246 Z246i RZ4623 YTH2148 & Z Series and fits 2002 & up. for NHC 251-0608, Jonsered 532174358 LT19A LT2119A LT2122A LT2122A2, Bynorm 090-189, Oregon 82-015, Prime Line 7-03179, Ratio parts 22-903, Raisman 80-12-004, Rotary 11014,Compatible with 285-108, TSB 502-0094, C-SPN-0021 and others. 5 point star shaped, more stable and durable. Overall Length: 5-7/8 inch / 150mm. The spindle is suitable for different types of lawn mowers. Colour:silver Material:Metal Package Contents: 1 x Spindle Assembly Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.