COLLINS COURSE KNOB NEW • $135 • AVAILABLE FOR SALE • Hard to find course knob gray. $1100 cost from supplier Save big. pictures avail. have other knobs • Contact Bob Ellis - AVIONICS PLUS , Owner - located Burnham, ME 04922 United States • Telephone: ---------- • Posted March 9, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad