100PCS 304 Stainless Steel Self-locking Banding Tie Multi-Purpose Zip Ties Thicken Fastener with Steel Ball Inside

Features:
Made of 304 stainless steel material, high toughness, corrosion resistance.
Thicken fastener design, reinforced the binding force, stable to use.
There is a steel ball inside of the fastener to makes the tie bind tighter and tighter.
Widely applications, suitable for open-air damp and high temperature outdoor scene.
7 types optional, you can choose 4.6*100mm, 4.6*150mm, 4.6*200mm, 4.6*250mm, 4.6*300mm, 7.9*300mm, 7.9*400mm according to your demands.