This product is a door reinforcement plate extension. It is made of solid materials. It is safe and durable. It can serve you for a long time without being easily damaged. It is an excellent door reinforcement plate extension that can bring you convenience, allowing you to have comfortable experience. Features -Color:Silver -Material:Stainless steel -Size:3.30X2.30X0.50cm/1.30X0.90X0.20in Extension length: 20mm Hole to edge distance: 10mm - Premium stainless steel material, strong and durable, wear-resistant, will not crack or deform. - Polished and brushed surface to achieve a highly smooth and glossy appearance. - One time forming process to ensure the strength and firmness of the stainless steel. - Lengthen strike plate of fingerprint lock or security door lock for more flexible installation. - It is characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 2 x strike plate extensions