The 13 Inch Peterbilt Style Air Cleaner Clamps And Brackets are made of stainless steel and come in a 3 piece kit, including 2 clamps and 1 bracket. They are designed to fit most Peterbilt models and can be purchased in multiples for multiple air cleaners. These clamps and brackets are practical and durable, providing a secure and reliable mounting solution for your air cleaner. (Word count: 68)