CAP LOCKS--1.5 TO 2.0ML TUBES, Each

Details

Secures microcentrifuge tube caps for boiling. Designed to securely seal tubes against the rigors of freezing and boiling. The large, easy-to-grip tab permits safe insertion and removal from boiling water and freezers. An assortment of bright color together with a writing area allow easy identification or organization into types. 100/pk