Home › Forums › Archives › I am in need of the plastic piece that is around the housing of the start knob. Can you please help? Archives I am in need of the plastic piece that is around the housing of the start knob. Can you please help? Posted by guest on June 14, 2017 at 12:00 am Sorry. This is about the rounder model TBD- 36 izzygreen replied 6 years, 11 months ago 1 Member · 2 Replies 2 Replies john Member June 14, 2017 at 12:05 pm Hello, The only rounder I can find with that model number is TDR-36. Are you certain it’s TBD-36? TBD are all sheeters and their model numbers are 500, 600, and the like izzygreen Member June 14, 2017 at 2:24 pm If you are talking about the main power switch, then the housing is actually part of the switch and you’d have to purchase a new one Log In to Reply Log in to reply. Log In Register Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Log In to Reply Start of Discussion 0 of 0 replies June 2018 Now