Figure 9 eliminates the frustration of tying, adjusting and untying knots! Easy to use and safe. Excellent alternative to stretch cords, and cam tensioning devices. Uses: Auto, Marine, Household, Commercial/Industrial, Moving, Camping, Recreation, Construction! Fit rope sizes 1/16-3/16 (small), 1/8-3/8 (large), and 5/16-5/8 (Big).