CHESTON Socket Set of 40-in-1 Multi Purpose Tool Kit w/Wrench & Precision Sockets - Durable & Convenient in Carrying Tool Case Wrench Opener 40 pieces in total, including sockets and a wrench set Durable chrome vanadium steel construction for long-lasting use Multi-Utility carrying case for easy organization and portability Versatile and convenient for all your repair needs Precision sockets for precision and accurate tightening and loosening of bolts and nuts.