Rivet Sizes (x10 of each): Ø5 x 15.8, Ø5 x 17.2, Ø6.6 x 17.2, Ø6.3 x 25.2mm. We make sure to keep our prices competitive by buying in bulk and keeping the overheads low. Designed for the installation of plastic rivets where accessibility is restricted due to angle or reach.