Package Dimensions 14.5 x 8.7 x 3.2 cm; 210 grams Extra thick 3MM solid SUS-304 stainless steel casting, with 3MM extra thick SUS-304 stainless steel chain - HEAVY DUTY - this is a heavier version of the standard door protection chain that provides even more resistance if an intruder tries to force their way into your property - provides a useful deterrent and vital delay if a burglar attempts to enter your home. Machined by a fully automated precision CNC (Computer Numerical Control) machine tool to ensure stability and durability of the product quality and with an excellent straight line brushed finish - the appearance of the product is very aesthetically pleasing. Top quality product. Does not rust, remains stainless forever - a durable quality product that can last a lifetime Product net weight: 210 grams.