High strength tension spring keeps fixed angles when open and creates firm, secure clamping when closed for even pressure distribution Industrial grade adjustable pressure design delivers strong locking capability in high pressure environments, perfect for welding and clamping tasks requiring enhanced stability against regular clamps Knurled screw provides smooth action with grip; fine threading enables precise opening size modifications, extended screws allow wider jaw openings Specially designed anti slip teeth on the gripping surfaces improve holding strength and reduce slippage, providing consistent results for tough applications The comfortable grip coating reduces hand fatigue during prolonged use while ensuring firm control, Manufacturer: YUEHUINIAO