Topiary trimming shear sharpener designed specifically to quickly and easily restore the edge on all burgon ball single handed topiary trimming shears sharpener housing contains silicon carbide wafer which can be turned four times to extend its life supplied cardedr r featuresr r keeps blades in top condition for clean cuttingr with long life abrasive wafer r keeps blades in tip top cutting conditionr measures 7cm x 6cm r ideal for smaller blade toolsr easy to use comes wit