Premium stainless steel 304 material, rustproof durable to use. Adjustable latch ,locking force is adjustable. Concealed toggle latch, better visual effects, compact structure. Spring leaf inside to reduce vibration, spring can self-acting return. Widely used for small case cover, toolbox, Cleaner. Easy to install by screws, and please note that screws are not included here. Specification:Material: SUS304 Stainless SteelFinish: PolishSize: 99mm x 42.5mm / 3.9" x 1.67" (L*W)Mounting Hole Diameter: 4mm / 0.16"Keyhole Diameter: 7mm / 0.28"Locking Load:1000NUltimate Load:3500N Package Content:1 x Concealed Toggle Latch