158PCS TOOL KIT CONTENTS:MATERIALS:1/2"Dr .6pt,socket:14,15,16,17,18,19,20,21,22,23,24,27,30,32carbon steel,heated 1/4"Dr.6pt.socket:4,4.5,5,5.5,6,7,8,9,10,11,12,13carbon steel,heated 1/4Dr.Extension bar 50&100mmcarbon steel,heated 1/2 Dr.Extension Bar 125&250mmcarbon steel,heated 3-way adapter 1/2"carbon steel,heated 1/2"dr.spark plug socket 16,21mmcarbon steel,heated 1/4"&1/2"dr .universal ...