Flange Nylon Insert Lock Nut Fits Bad Boy 013-8050-00 1/2"-13 by Rotary $10.67 Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PRODUCT INFORMATION Type Flange PRODUCT DESCRIPTION DESCRIPTION Lock Nut replaces Bad Boy 013-8050-00. 1/2-13 Flange Nylon Insert Lock Nut for Idler Pulley & Deck Wheel Mounting. REPLACES OEM BAD BOY 013-8050-00