Our 4-piece brush kit is perfect for cleaning all of the parts inside your frozen yogurt machine. With 100% nylon bristles, our brush kits are made to last while being gentle enough for every surface in your soft serve machine. The four (4) included brushes are perfect for any Taylor or Stoelting frozen yogurt machine. Part descriptions and numbers for individual brushes: - Draw Valve Brush 1" OD - Freezing Cylinder Brush - Rear Bearing Brush - Double Ended Brush