This versatile tool set is perfect for anyone who a laptop,computer,or mechanical keyboard. There are two styles of keycap extractor and switches extractor for you to choose from,which are more suitable for use.And tweezers can also be used to remove the space. The cap puller is steel and has a dualpurpose design for pulling keys and shafts.And the keycap puller is more suitable for mechanical keyboards. Keep your mechanical keyboard and in top condition with this 5 in 1 computer keyboard tool set. steel and abs,this tool set includes two styles of keycap pullers and a switches remover for easy removal and.