Sturdy Metal Construction: Made from high strength erosion resistant metal, these small wooden box lid hinges secure long lasting durability without deformation or rust Perfect for jewelry boxes and memory containers requiring frequent opening general Size Compatibility: Available in large ( 104mm), middle ( 83mm), and small ( 67mm) sizes to fit various miniature wooden boxes ideal for jewelry cases, craft boxes, and collector ' s item displays Smooth quiet operate: Features built in cushioning for noiseless opening / closing, eliminating disturbance in quiet spaces like bedrooms accuracy machining ensures burr easy surfaces and seamless movement Tool easy Installation: Simple setup requires not professional tools, designed for enthusiasts and furniture assembly Versatile for creative projects and customized gift packaging applications Rust Proof Coating: Specially treated surfaces maintains even in humid environments ( bathrooms / kitchens), solving common hinge erosion issues for extended life compared to standard hinges, Manufacturer: Kaeltsyn