Robline Waxed Tackle Yarn Whipping Twine Kit w/Needle - Dark Navy Blue - 0.8mm x 40M [TY-KITBLU]Waxed Tackle Yarn Whipping Twine with Needle Dark Navy Blue 0. 8mm x 40M Whipping Twine with High Wax Content with a Sailmaker Needle Keep line from unwinding. #4 medium weight (. 8mm) Dacron twine for whipping and seizing line of all types. Both include . 8mm sailmakers needle. Available as twisted twine, it is braided and will not open because of the flat, strong seem. Features Very strong Dacron twine for whipping and seizing line of all types