Round Fly Rod Tubes No frills standard Round Fly Rod Tubes. Simple protection for your rod when not fishing. Made with a denier sleeve, they have a lined inside, rubber butt cap and a foam insert in the top of the zippered lid to help protect the tip. Available in 8&';, 8.5&';, 9&'; sizes in narrow tubing for 2-piece rods. 2" tubing for multi piece rods (ideal for 4 piece, but will work for 3 & 5 piece too!) Colors: Black, Burgundy & Green