The Denise Interchangeable Knitting Needles are a vintage set made of durable plastic. The brand, Denise, is known for producing high-quality knitting accessories, making these needles a reliable choice for crafters. Despite missing extenders, these interchangeable knitting needles offer versatility and convenience for various knitting projects. Perfect for both beginner and experienced knitters, these needles provide a solid construction and comfortable grip for a seamless knitting experience. Smoke free home. Missing two extenders but all other pieces are there.