Manufactured from heat resistant fiberglass reinforced nylon material. Lightweight and non-conductive rugged grip handle. Round jaw edges prevent damage to internal hose reinforcement. Features locking mechanism for simple one hand operation. Suitable for rubber, coolant, fuel and vacuum hoses. These are used and without packaging. Contains: 1 x small hose clamp plier, capacity 5/16in / 8mm (FCSA1) 1 x medium hose clamp plier, capacity 3/4in / 19mm (FCSA2) 1 x large hose clamp plier, capacity 2-1/4in / 57mm (FCSA3)