... on, pull up,spin off action CE certificated! M4-M12 Pneumatic Rivet Nut Tool Features: Ergonomics handle One ... means Hydro-pneumatic operation Specifications & Placing capability: Riveting Capacity:M4-M12(8", 10", 1/4", 5/16", 3/ ... /8-24UNF,1/2-13UNC Accessories:Five nose pieces (M4, M5, M6, M8 and M10) ;Two sets ... -Carry case with maintenance tools enclosed! M4-M12 Industrial Pneumatic Rivet Nut Tool