40-Piece Jet Nut Kit

TRUE AIRCRAFT LOCKING Jet Nuts features a Built-In Washer and a Reduced Hex Head. For example a Standard 3/8” Nut uses a 9/16” Wrench, a 3/8 Jet Nut uses a 7/16” Wrench. Plus they are Very Very Hard, tougher than Grade 8. Hundreds of uses on your Sprint Car. Each Kit Has 40-pieces total - 10 Of Each 10/32”, 1/4”, 5/16”, 3/8” & A Handy Carrying Case.