The sword, knife, dagger, spear, hand-sickle, harvest-sickle, clipper, and barbers’ whose component parts were separated, are susceptible to impurity. Rabbi Yose says: the part that is near the hand is susceptible to impurity, but that which is near the top is clean. The two parts of shears which were separated: Rabbi Judah says: they are still susceptible to impurity; But the sages say that they are clean.

A koligrophon whose spoon has been removed is still susceptible to impurity on account of its teeth. If its teeth have been removed it is still susceptible on account of its spoon. A makhol whose spoon is missing is still susceptible to impurity on account of its point; If its point was missing it is still susceptible on account of its spoon. A stylus whose writing point is missing is still susceptible to impurity on account of its eraser; If its eraser is missing it is susceptible on account of its writing point. A zomalister whose spoon is lost is still susceptible to impurity on account of its fork; If its fork is missing, it is still susceptible on account of its spoon. So too with regard to the prong of a mattock. The minimum size for all these instruments: so that they can perform their usual work.

A harhur that is damaged is still susceptible to impurity until its greater part is removed. But if its shaft-socket is broken it is clean. A hatchet whose cutting edge is lost remains susceptible to impurity on account of its splitting edge. If its splitting edge is lost it remains susceptible on account of its cutting edge. If its shaft-socket is broken it is clean.

An ash-shovel whose spoon was missing is still susceptible to impurity, since it is still like a hammer, the words of Rabbi Meir. But the sages rule that it is clean. A saw whose teeth are missing one in every two is clean. But if a hasit length of consecutive teeth remained it is susceptible to impurity. An adze, scalpel, plane, or drill that was damaged remains susceptible to impurity, but if its steel edge was missing it is clean. In all these cases if it was split into two parts both remain susceptible to impurity, except for the drill. The block of a plane by itself is clean.

Wood that serves a metal vessel is susceptible to impurity, but metal that serves a wooden vessel is clean. How so? If a lock is of wood and its clutches are of metal, even if only one of them is so, it is susceptible to impurity, but if the lock is of metal and its clutches are of wood, it is clean. If a ring was of metal and its seal of coral, it is susceptible to impurity, but if the ring was of coral and its seal of metal, it is clean. The tooth in the plate of a lock or in a key is susceptible to impurity by itself.

If Ashkelon grappling-irons were broken but their hooks remained, they remain susceptible to impurity. If a pitch-fork, winnowing-fan, or rake, and the same applies to a hair-comb, lost one of its teeth and it was replaced by one of metal, it is susceptible to impurity. And concerning all these Rabbi Joshua said: the scribes have here introduced a new principle of law, and I have no explanation to offer.

A flax-comb: if the teeth were missing but two remained, it is still susceptible to impurity. If only one remained it is clean. As regards all the teeth, each one individually is susceptible to impurity. A wool-comb: if one tooth out of every two is missing it is clean. If three consecutive teeth remained, it is susceptible to impurity. If the outermost tooth was one of them, the comb is clean. If two teeth were removed from the comb and made into a pair of tweezers, they are susceptible to impurity. Even if only one was removed but it was adapted to be used for a lamp or as a stretching-pin, it is susceptible to impurity.