Brass faucet fastening stabilizer nut kit, also known as a faucet mounting nut and washer kit, or an anti-wobble faucet stabilizer kit. 

• Purpose:
• This kit is used to secure and stabilize kitchen sink faucets, preventing wobbling and providing essential support for single cold (1/2") water faucets. 
• Components:
• It typically includes a mounting nut (often C-shaped for easy installation without disassembling the faucet) and a washer. 
• Material:
• Made of durable brass, ensuring longevity. 
• Installation:
• Designed for easy installation, often featuring a universal fit, and can be used to replace existing mounts or install new ones. 
• Benefits:
• Enhances faucet stability, reduces unwanted movement, extends faucet lifespan, and can improve overall kitchen functionality and aesthetics.