FC 5-421N30 19" .030" Medium Nylon Scrub Brush for Factory Cat Tomcat 38, 40, 40HD, 3700 Disc Brush Model Scrubbers, 6 Point Drive Plate. General duty and long lasting .030" diameter level white or black Nylon. An HMP Supply special item. Our customers have asked for a stiffer, longer lasting, general duty scrub brush than the .016" Nylon offered by Factory Cat. These medium Nylon scrub brushes are great for light to medium duty scrubbing of all hard surfaces and some delicate surfaces. For a soft Nylon for very delicate surfaces such as high-gloss epoxy painted surfaces, use our .016" diameter Nylon (FC 19-421N). 18" diameter plastic block (19" scrub path) with a 6-point clutch plate (Please check your model for the proper number of points. We offer a 6 point and 8 point clutch plate. Use FC 19-421N for 8pt.). Fits Factory Cat Model 38, 40, 40HD and Tomcat 3700 disc brush model floor scrubbers. Some of these models may take cylinder brushes instead of disc brushes. Please check your model before ordering. Two brushes are required per unit. Priced Each. Not offered by Factory Cat Tomcat. Our Part Number FC 5-421N30