1. Round nails:Made of solid metal, safe and durable.
2. Small and comfortable. Lightweight and small.
3. Easy to use. For holes with a diameter of 7.3 mm, hold the muffler sleeve by hand and press it back a few times to remove the residue for the next process
4. Durable material for ceiling, light steel keel, piping, bridge, water and electricity, air conditioning installation. Hard and durable, not easy to rust and break.
5. Widely used. Suitable for red brick walls, concrete walls, 8mm aluminum alloy wire channels and thick wood panels. No large amount of dust, energy saving and environmental protection