Antique Hit & Miss Engine Era Flat Belt Pulley Grinder, Lathe Headstock Arbor 10 TPI X 1. Total Top Length 12 1/2. Protrusion of threaded end 1 7/8. Please examine photos carefully for a more accurate description. We will move quickly to answer. Just add the items to your cart and select the. We have been purveyors of New England antiques for 46+ years and have recently retired. We will do everything in our power to represent our pieces honestly and for a fair price.