Feature●Made of stainless steel, corrosion proof and durable.●The item is suitable for grooved joists, and wood floors with thickness less than 10mm, suitable for WPC type wood floors, other thicknesses are not recommended.●Overall size is 4x1cm/1.6x0.4inch. Total 100 Sets included 100pcs screws.●Widely used for woodworking, DIY decking fixing.●Please check the size before your purchasing.Description Made of stainless steel, corrosion proof and durable.