HHC Diesel ~Ford 6.0L Diesel Nipple Cup Socket Kit~ O-Rings & Tool (8: Heavy Duty Viton O-Rings & 1/2" Drive Nipple Cup Socket) F60L-BALLKIT Tool: 1/2" Socket Drive - Works With All Standard 1/2" Sockets & Adapters Tool: Made of Hardened 4140 Impact Grade Steel - Impact Friendly Tool: New, More Durable, Grey Phosphate Coating for a Lifetime of Abuse Tool: Limited Lifetime Warranty O-Rings: Special Heavy Duty Viton Blend Proven to Out Perform OEM & Competitors Products