4.4.2 Knobs 4.4.2.1 The length of the handle portion of the keys can not be less than 14 millimeters but not more than 17 mm for the handle made of material that does not bend.
4.4.2 knobs 4.4.2.1. The length of the handle part thousand houses keys must be not less than 14 mm, but not more than 17 mm for the capture button made from materials that bend.