This is the new version of 496148 and 496160Description:For heavy-duty and universal usesoft versionMULTI-JETSTREAMhigh temperature durability burrhigh edge solidityfor tough and universal useSuitable for tool types:ETS 150LEX 150WTS 150/7Technical data:Hardness grade – W-HTConnecting thread – M8qty. in pack – 1 piece(s)