Revamp your sewing game with our premium Bobbin Winder Spindle Pulley Rubber Rings! Crafted from durable black rubber, these rings boast an inner diameter of 15mm, outer diameter of 30mm, and a thickness of 6.8mm. Perfectly designed to fit your bobbin winder, they ensure smooth, efficient operation. Each pack includes 2PCS, making it a must-have for every sewing enthusiast. Upgrade your toolkit today and stitch with precision! ==== FEATURES: ==== Introducing our premium Black Rubber Mat, designed to elevate your space with its sleek aesthetics and unmatched durability. Here are three standout features that make this product a must-have: (A) **Eco-Friendly Excellence**: Crafted from high-quality, environmentally friendly rubber, our mat not only looks good but also does good. Embrace sustainability without compromising on style or performance. This mat is your perfect partner in creating an eco-conscious environment. (B) **Unyielding Durability**: Built to last, our rubber mat boasts a long service life, standing up to the toughest conditions. Whether it's heavy foot traffic or the wear and tear of daily use, this mat remains resilient, ensuring you get the most out of your investment. (C) **Sleek and Sophisticated**: The elegant black color of our mat adds a touch of sophistication to any setting. Its versatile design seamlessly blends with various decor styles, making it an ideal choice for both residential and commercial spaces. Elevate your interiors with a product that combines functionality with timeless elegance. Choose our Black Rubber Mat for a blend of eco-friendliness, durability, and style that stands the test of time.