The MATCO Hose Pinch Off Pliers Set includes three adjustable locking pliers with various sizes, designed for clamping and pinching hoses and lines in automotive applications. Manufactured by Matco Tools in .The manufacturer part numbers LLC1, MLB1, and SLC1 indicate the specific models included in the set, making it a versatile and essential tool for automotive mechanics and DIY enthusiast used but work good, check my other listings, will combine shipping