Product Name: Twist Lock Cable Tie; Material: PA66. Fit Bundle Diameter(Max.): 10.5mm / 0.41'; Size: 28.5mm x 19.5mm x 4.5mm(L*W*H). Twist Lock Cable Wire Ties Nylon U Shape Save Place 10.5mm Dia White. This Twist Locks Cable Ties is made of nylon material, round tips. Reusable and releasable, easy to open and twist; Can fasten and loosen cables rapidly, save space.