The individual shape of the Sorby 855H Swan Necked Hollowing tool makes is suitable for blind turning or undercutting where reach is restricted. Tool is to be used with the round bar directly behind the swan neck (curved area) against the tool rest. Can be used in combination with a thickness gauge. This 20" Model is used in the same way as the 14", but gives a slightly longer reach. Fits into an opening as small as 1/2". Has a handle length of 12" and is approximately 20" long overall. Cutting tip is re-sharpenable. Ash handle. England.