Alright, Festool fans! This is the collet set you need if you've got an OF1400, OF2000, or OF2200 router. It comes with four sizes: 1/2-inch, 1/4-inch, 3/8-inch, and 8mm. So basically, you're covered for pretty much any bit you wanna throw in there. They're brand new, genuine Festool parts, model CLT/T10/635. The packaging is just how you'd expect from Festool—simple but safe. If you've been swapping collets between jobs, grab this set and have the right one ready to go.