Product name: Wall-mounted boxing punching bag bracket Product load-bearing: 500kg Steel plate thickness: basic thickness 4mm Product accessories: send 3 expansion screws Durable, anti-rust, anti-corrosion, easy to install Suitable for all kinds of places, families, gymnasiums, gymnasiums The product adopts widened and expanded fixed plate design, safe and firm, good bearing capacity, safe and stable use. Load-bearing up to 500KG Double-layer welding, double-layer welding is safer Large triangle design, more stable support