Premium stainless steel 304 material, rustproof durable to use. Adjustable latch ,locking force is adjustable. Mounting hole exposed, easy to install. Widely used for small case, toolbox, device box cover. Please note that screws are not included here. Specification:Material: SUS304 Stainless SteelFinish: PolishMain Body Size: 41mm x 37mm / 1.61" x 1.46" (L*W)Hook Size: 38mm x 11mm x 1mm / 1.50" x 0.43" x 0.04" (L*W*T)Mounting Hole Diameter: 4mm / 0.16"Locking Load: 150NUltimate Load: 2800N Package Content:2 x Toggle Latches