Collet with small metal blades to keep the Bowden tube(s) in position in the feeder(s) and print head.

Compatible met:
UltiMaker S7
UltiMaker S5 R2
UltiMaker S5 R1
UltiMaker S3
UltiMaker 3
UltiMaker 3 Extended
UltiMaker 2+ Connect
UltiMaker 2+
UltiMaker 2+ Extended
UltiMaker 2
UltiMaker 2 Extended
UltiMaker 2 Go
UltiMaker Original +
UltiMaker Original
UltiMaker Material Station