Worksharp Professional Precision Adjust Knife Sharpener buffing compound Description Cut Style CB SB5 1 2 SPF50 UVA UVB advanced Description Cut Style CB SB5 1 2 Cylindrical End Cut DC CB SC5 1 2 Cylindrical Radius End DC CB SD5 1 2 Ball Shape DC CB SF5 1 2 Tree Shape Radius End DC CB SH5 1 2 Flame Shape DC CB SL4 1 2 Taper Radius End DC CB SM5 1 2 Cone Pointed End DC Easy to use polyethylene pumps syphon liquids to lower levels than the height at which the pump is installed The abrasives are easily interchanged using a common handle which includes a ceramic rod for honing serrations The included small knife table attachment allows you to sharpen small pen knives down to a 15° angle