Big Digit Digital Timer brew/cold-brew-coffee-maker over-torquing the retaining nut is

over-torquing the retaining nut is exactly what shatters the crystal

This is the replacement glass for the Yama 6 Cup French Press

20 paper filters

or Rapallo

It assures progressive control of water flow and pressure via an internal orifice

Big Digit Digital Timer brew/cold-brew-coffee-maker over-torquing the retaining nut isTiming shots are a great way to maintain coffee quality and our timer makes it easy. This three function timer also has a clock and regular timer function. Easy to use, with a clearly marked, sturdy housing, this timer eliminates the guesswork. Average extraction times are anywhere between 21 25 seconds for a double shot. By using a timer you can gauge how well your shot is extracting and give it a few seconds more or less. TM15 Clock & Timer Features