Much Stronger Than Plastic Clamps
This handy three-prong extension clamp is highly useful for attaching items needed for experiments to bases and rods. Each is constructed of die-cast zinc alloy, and chrome plated with jaws that are coated silicone. Opens to approximately 3", with a recommended maximum grip size of 2 1/4". The clamps also feature double-keyed, spring-type adjustment screws. The Boss head clamp is lockable up to 360°. The recommended working temperature is up to 280°C. Size of extension rod: 8 1/4" L x 5/16" OD; overall length: 12 3/4".