Sealey 2 piece digital measuring set sealey ak9637d seven button digital micrometer with satin chrome thimble and sleeve plus hardened and tempered stainless steel digital vernier caliper with satin finish large easy to read lcd read outs displays switchable between metric and imperial units zero display at any point allows comparative measurement both instruments include serial port for connection to computer supplied in storage case with micrometer adjustment wrench sealey ak9637d dig