Plug gauge SM 350 Jun 21, 2009 11:37:28 GMT 1 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Kev on Jun 21, 2009 11:37:28 GMT 1 I need an SM 350 , .4745" butt mounting reject plug to complete a set of gauges if anyone has one for sale/swop ?This is the reject gauge for the butt mounting tripod pin holes.Many thanks Kevin