They are all in perfect condition 1 was partially used. The Fireworks Multicolor Glass Rod Set 104 COE is a collection of 13.5 pieces of high-quality glass rods specifically designed for lampworking and creating beads. With a variety of vibrant colors to choose from, this set is perfect for artists and crafters looking to add a pop of color to their projects. The rods have a coefficient of expansion (COE) of 104, making them ideal for melting and shaping without the risk of cracking or bursting. Whether you're a beginner or a seasoned artisan, this set from Fireworks is sure to inspire creativity and enhance your glass artistry skills.