For 20 To 80-lb. trolling and stand-up tuna rods, AFTCO’s Heavy Duty (HD) roller guides, with ample room for heavy lines and large knots, are ideal for big game trolling and deep-water rods rated for 20 to 80-lb. lines, and for stand-up style tuna rods up to a 130-lb. test rating. Each feature AFLONhigh performance bearings. Standard roller tip-tops are the perfect match for this guide series. Manufacturer No. HD.