Standard violin bow screw button for frog replacement, professional accessory in color 02 Why you need this part Restores proper tension control and secure hold when the original screw button is worn, damaged, or missing. Keeps bow hair adjustment smooth and predictable during tuning and performance. Simple, direct replacement that lets you a bow to regular use without a full . Key features and attributes Function: Screw button designed to the frog button on a violin bow and engage the winding screw for hair tension adjustment. Compatibility: Fits violin bows that use a standard screw button and frog assembly. Intended as a direct replacement part for standardsized violin bows. Size: Standard screw button dimensions to match common frog screw threads and fittings. Finish: Supplied in color 02 to match many frog styles and finishes. Use level: Professional accessory suitable for instrument owners, technicians, and bow makers. Performance and handling Smooth thread engagement for precise tensioning of bow hair. Designed to align with standard frog components to minimize additional fitting work. Compact and lightweight for unobtrusive installation and normal bow balance. Typical use scenarios Quick during a rehearsal or before a performance when the original screw button has failed or fallen off. Component supply for a luthier or bow maker building or restoring a bow, used as a standard replacement part. Upgrading or matching the appearance of a frog on a vintage or student instrument where the original button is discolored or damaged. What is included One violin bow screw button replacement in color 02 suitable for standard frog assemblies. Installation tip by removing the old button and installing the button into the frog screw assembly. If unsure about threading or fit, consult a technician to avoid overtightening or crossthreading. This screw button is a straightforward, compatible replacement for standard violin bows and frogs that require a reliable frog screw button in color 02.