Available as twisted twine, it is braided and will not open because of the flat, strong seem. The special wax formula makes this whipping twine particularly easy to use with the high quality of the twisted PES twine. ROBLINE TYN-08BLKSP Waxed Tackle Yarn - 0.8mm x 40M - Black Robline Tyn-08blksp Waxed Tackle Yarn - 0.8mm X 40m - Black.