Buy direct from THINBIT. GROOVE N TURN LROE58 5/8" Diameter, Round reversible toolholder. Reversible for Left or Right hand orientation. Use with grooving, turning, face grooving, chamfering and threading inserts. Kaiser Tool Company, Inc. makes all products in Fort Wayne, Indiana and has over 50 years producing THINBIT products. Our principles are Quality Products, Fast Delivery and Superior Customer Service. Please Note: Final shipping costs will be calculated at checkout based on value of all THINBIT items ordered. THINBIT and GROOVE N TURN are registered trademarks exclusively licensed to Kaiser Tool Company, Inc. in the U.S. and/or other countries.