The Manfrotto 175 Spring Clamp in black color is ideal for shooting films and videos in a studio location. It clamps onto bars and rods with a diameter of up to 40mm. Its spring feature locks the clamp into one position and quickly releases it, thus providing utmost functionality. The steel body of this clamp lends durability and years of usage. Its sturdy thread attachment provides ease of operation. Among the best spring clamps available on the market, this Manfrotto spring clamp can be purchased online.