WWII Vintage Tool Set: K.O. Lee Company - Aberdeen South Dakota - MADE IN THE U.S.A. Model: R204 Knock Out Tool Set. Knock out hand rachet type valve seat cutter carbide with knock in, knock out seats. This covers all the valve seat guides from 5/16" to 7/16" guides. Includes Knockout Rachet R60X. All new carbide cutters. See photo's the case has wear but tools are like brand new. Price $ 375.00 Shipping is available but at buyer's expense. Please call or email to discuss.