NSS 23-9-550-1 8" x 2" Treaded Drive Wheel for NSS Floor Scrubbers. Heavy duty 8" drive wheel for NSS floor scrubbers. Fit models including Wrangler 2016 Series, Wrangler 2625 Series, Wrangler 20W/D, Wrangler 24 and Wrangler 26VS walk behind floor scrubbers. Two wheels required per unit. Priced Each. Replaces NSS 2395501. Our Part Number NSS 2395501, NSS 23-9-550-1