Both micrometers are adjustable pressure, good for soft materiel like plastic or thin wall parts. Both are in excellent condition. 0-.6" 227-212 and .6-1.2" 227-214.
Beckman S4180 Rotor in very good, very clean condition. Includes 2 inserts for 50 ml tubes. S4180 rotor can be used with the Beckman Allegra 21 or Allegra 26 centrifuge.
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