Does anyone know what this tool is for?

773169

{"text":"Or what is it called?","videos":"[]","link":"{}","pics":"[{\"description\":\"\",\"height\":720.0,\"name\":\"\",\"url\":\"\",\"width\":960.0}]","canComment":true}

658864

{"replyTo":"","text":"What kind of loads are you hauling? If it’s a refrigerated load that might be a temperature recorder ","replyToPid":0}

673739

{"replyTo":"","text":"Safety light u no, instead of a safety cone ","replyToPid":0}

771307

{"replyTo":"","text":"This is a safety light  use for vehicles  broken down on the side of the road to inform others that they're broken down into the same thing as using cones or triangles","replyToPid":0}

835771

{"replyTo":"","text":"it's an electronic flare","replyToPid":0}

658864

{"replyTo":"","text":"Well , I learned something new today! Never seen one before","replyToPid":0}

823602

{"replyTo":"

658864 发表于 2019-10-25 12:57:06 Well , I learned something new today! Never seen one before

","text":"It's one of those auto-bots from that Trasform movies","replyToPid":235066}

823602

{"replyTo":"

823602 发表于 2019-10-25 13:46:11 It's one of those auto-bots from that Trasform movies

","text":"TRANSFORMER","replyToPid":235098}

707029

{"replyTo":"","text":"Shock sensor","replyToPid":0}

682867

{"replyTo":"","text":"Spark plug","replyToPid":0}