This is a 6 Piece Oil Filter Cartridge Set made by OTC Tools.
This set is made to fit today's oil filter cartridge style filter
applications in most vehicles. The short socket style allows for proper
clearance when removing the filter element. The metric sizes included
in this set are as follows: 24mm 27mm 29mm 32mm 35/36mm and 38mm
sockets. This set is supplied in a blow molded case for easy storage.