Ron Torsch Farm Equipment ST12 Field Cultivator/Harrow Tooth/Chisel Spike 2" x 1/4" x 11" Uses 7/16" Bolts 2" w x 1/4" t x 11" l. Bolt size is 7/16". Hole spacing is 1-1/4" to 2-1/4". Plated and sharpened for better wear. Oil quenched and heat treated. Fits field cultivators, spring tooth harrows and row crop cultivators. We also have mounting bolts available upon request. shipping calculator is set up for sales of one tooth. We combine shipping for more then one tooth. Please ask for shipping quote. We have these in stock and ready to ship. Please look in our store to find other items you might need and save on shipping costs. We can combine shipping charges for most items we sell. Used parts are sold as is unless specified otherwise. All of our items are also available for local pickup at our place of business, 2452 King Settlement Rd, Alpena, MI 49707. We reserve the right to change shipping carrier depending on current rates without notice. If you need a specific carrier please let us know at the time of sale.