●This product is ordered by the lot. Purchase unit: 50 pieces; Easy to work just by pushing a pin; No wood screws or plugs are required, and can be removed without any rust; Mounting distribution boards, saddle bands, lighting fixtures, attaching shades, signs, etc.; Outer diameter: 0.2 inches (6 mm); Length: 1.6 inches (40 mm); Maximum mounting thickness: 0.6 inches (16 mm); Perforation depth: 1.0 mm; Bottom hole diameter: 0 mm; Tensile load (4 mm; Tensile (4 mm; 2.2 Head Shape: Saras; Boxed; Body: Nylon; Screws: Stainless steel