[Features]: ● concrete surface for uniform installation so you can and aesthetic. ● dedicated hand holder can make sure your installation complete. [Specifications] ● called screw: M10 Screw ● Total length (mm): 40 Length (mm): 16 ● tensile Max load (kN): 15.6 outer diameter (mm): 12.5 ● drill diameter (mm): 13.0 Weight (g): 24.3 ● box [Material/Finish] stainless steel ● surface treatment: Trivalent chromate finish [Occasion]: ● 電設, construction, plumbing, construction, heating duct construction, and much more. 【 Please note 】 ● tensile, Max Load Is High Strength Concrete fc21 N/M [square meter]] When you value. ● Specially designed hand holder Installation is required.