NSS 2792891 13" Pad Driver Assembly for NSS Wrangler Floor Scrubbers. A 13" diameter solid plastic block with short trim filament (1/2") which is designed to securely hold your 13" diameter floor pad. Comes equipped with mounting lugs and floor pad retainer. Fits NSS Wrangler 27, 27 F/B, Wrangler 27 Mid Brush, Wrangler 2730, and Wrangler 2730 DB. Two pad drivers are required per unit. Priced Each. Replaces NSS 27-9-289-1. Our Part Number NSS 2792891