New England Biolabs on Twitter: "#Labwork got your fingers all tired out? Put that eppendorf tube down, you are going to be ok. Give your fingers a break with this handy tube
Microcentrifuge Tube Opener double-ended tool opens both small and larger tubes
Microcentrifuge tube opener (Eppendorf and PCR) by WaveSupportApparatus - Thingiverse
Amazon.co.jp: As One Cap Opener for 0.5mL and 1.5mL Tubes / 2-4487-01 : Industrial & Scientific