Lang 3 Piece Hose Pinch Pliers Set includes Lang 1460, 1470 & 1480. Pliers come in small, medium and large size for all your pinch off needs. Pliers are designed with a self-locking feature that holds after pressure is applied, to release pressure simply pull plier handles apart. Pliers are used to seal vacuum, fuel line and radiator hoses, plus other flexible materials and the patented offset design allows more access in hard to reach areas.