This is a solid stainless steel brush holder with high quality knurled screws designed to keep your brush from moving around the bucket while trying to clean your equipment. It was designed so that it would take a large variety of local hard wear store brushes so that the practitioner could use what ever brush may be on sale or favoured by them without having to get a special brush that only fits the holder. Like all kelly equipment it was made to address small things that can make every day work a bit more comfortable while giving quality so it lasts. This is stainless steel not plastic which makes the price in material more expencieve to manufacture. We could easly have made from plastic for a fraction of the price but we want quality for our clients. This is how I made it for myself and so this is how I make it for my clients.