DPN or Double Pointed Needles are a popular knitting tool used by many knitters to create a wide variety of projects such as socks, hats, gloves, and sweaters. However, there are also other synonyms for DPN, such as double pointed knitting needles, circular knitting needles, and interchangeable knitting needle sets. Double pointed knitting needles and circular knitting needles are often used interchangeably, as both have pointed ends and are useful for working small to medium-sized projects. Interchangeable knitting needle sets consist of a variety of needle sizes and lengths that can be easily switched out for different projects, making them versatile and convenient for knitters of all skill levels.