Replacement quick-release plate base nut screw — metal construction for secure tripod mounting Key benefits Durable metal material for long service life, resisting wear from repeated use. Replaces lost or damaged quick-release plate base nut screw to restore reliable tripod attachment. Provides a firm, stable connection between camera and tripod to reduce risk of loosening during shooting. Designed to fit the listed camera models for a precise, secure fit. Features and function Function: replacement base nut screw for quick-release plate systems; secures the plate to the camera or tripod head. Material: selected metal for strength and longevity. Performance: engineered for tight fastening and consistent stability during photography or video work. Compatibility: specifically suitable for A7M4, A7R4, 7R4A, A7S3 camera models. Practical use scenarios On-location shoot: replace a missing screw quickly to get your camera back on a tripod and continue shooting without delay. Long-exposure or time-lapse work: ensure a firm, vibration-resistant connection between camera and tripod for sharp results. Multi-body workflow: carry as a spare when swapping quick-release plates between A7M4, A7R4, 7R4A, or A7S3 bodies to maintain consistent mounting reliability. What you get One replacement quick-release plate base nut screw made from metal, intended to restore secure tripod fastening for the listed camera models. Notes Intended as a direct replacement part for quick-release plate systems; verify compatibility with your specific plate model before installation.