... Boxes/CtnG.W./N.W.: 9.5/8.5KgsEM1816-5 Button Compass, Dia16mm, 0.9g Packing: 20Pcs/PackInner Box Meas.: ... , 10 Inner Boxes/CtnG.W./N.W.: 9/8KgsEM1817-B Button Compass, Dia17mm, 1.1g Magnetic Induction: 500 GaussPacking: 20Pcs/PackInner ... Dia25mm, 2.2gEM1827 Button Compass, Dia27mm, 3.2g EM1835 Button Compass, Dia35mm, 8.4gEM1835-1 Button Compass, Dia35mm,4.8gEM1840 Button Compass, Dia40mm, 12gEM1836 ...