5Pcs Expansion BoltHook Screw Open Cup Stainless Steel Industrial Supply
- This expansion screw hook is made of 304 stainless steel, which is strong and durable, anti-rust and anti-oxidation.
- Widely used to security door and window,home decrotation,project,fixed the outside framework of air-condition.
- This expansion hook is used on protective fences, awnings, cement, bricks and other materials.
- The bolt hook with safety buckle is convenient and practical, and has stable performance.
- The exterior treatment adopts electroplating polishing treatment to make it more refined.