Diameter range: 2-15/16" to 3-5/8". Dual-handle styling allows for a better leverage to bear down harder. Handles are coated for a comfortable and a sure grip. Made for everyday use These uniquely designed pliers are used to remove stubborn, on-tight filters. The pliers are forged for superior strength and plastisol coated handles provide a firm grip. There's no sacrifice, comfort and durability in one tool!