Need to use 16mm diameter drill bit for drilling holes, the drilling depth should great than or equal to 7 cm
Load bearing: 250 KG, Weight Of 1 Fastener is: 120 Gram About.
Screw diameter: Approx 10mm / 0.4 inch
Specific Uses: Swing, ceiling fan, Games product ETC.
The Great Tool For Any House / Office, Just Take One And Use This Great Fastener Hook.