Draper expert 27839 lazy tong riveter draper expert 27839 p this draper expert quality concertina style heavy duty riveter is ideal for repetitive tasks using either aluminium stainless steel or steel blind rivets p p the concertina frame is manufactured from tough carbon steel and the replaceable chrome molybdenum jaws operate from within the four 2 4 3 2 4 0 and 4 8mm differing sized nozzles p draper expert 27839 lazy tong riveter