#STDS818-1Pr/Bx-Anti-Tippers W/O Wheels: USE ONLY WITH Sentra Reclining, Silver Sport 1 & 2, Chrome Sport, Baratric Sentra EC H.D. wheelchairs. #STDS829-1Pr/Bx-Anti-Tippers W/Wheels: Sentra H.D. Sentra H.D. (Extra & XWide) (26"-28"-30) STDS802-1Pr/Bx-Anti-Tippers With Wheels Sentra EC Sentrs HD Sentra Reclining & Winnie Series Latex Free UNSPSC#42192208