Gardner Bender 15" Black Cable Ties, Heavy-Duty, Pack of 10 Features:

• Patented design with locking teeth on both sides of the tie to ensure 50% greater tensile strength.
• Bent tip ensures easy insertion into the tie head.
• Easy slip during pull-thru due to smooth edges.
• Finger grips on end provide secure grip to tighten.
• Made from 100% durable nylon material.
• Tensile Strength: 75 lb.
• Dimensions: 15" (L) x .25" (W) x .072" (H).