These turnbuckles are lightweight, and the original "Fin" design brings out the glamour and quality that makes titanium one of the most sought-after exotic materials in the world. The JConcepts turnbuckles are produced with left- and right-hand threads with the left being conveniently marked for easy orientation. The #2741 has another feature, a black coloring which gives the stealthiest look in the pits and on the track. Installation notes - The JConcepts Fin turnbuckle, a favorite of IFMAR World Championship drivers including Ryan Maifield, Spencer Rivkin and Ryan Cavalieri have a few tips for getting the most out of the product. Always apply a liberal amount of #8119 RM2 Heavy-Metal grease to the threads before adding the ball-cups for an easier adjustment. JConcepts also offers separately a turnbuckle adjustment wrench as part #2234. - Original JConcepts design and "Fin" styling - High-grade, machined titanium material, colored in black - Standardized 3mm thread base - Left- and right-hand threads with conveniently marked left