3-Prong Heavy Duty Extension Clamp, Single Adjustment

3-Prong Heavy Duty Extension Clamp, Single Adjustment<p>These extension clamps are built with durable, electroplated zinc alloy and feature dual prong adjustments for versatility. They are suitable for use in environments up to 80°C.</p> <p>Small Clamp: Includes a 4" stainless steel extension rod. The prongs open to approximately 1.75" with a recommended maximum grip size of about 1.5". Double-keyed spring adjustment screws allow for secure positioning. Prongs are coated with non-slip PVC sleeves and come with fiberglass sleeves. Overall length is 6.75".</p> <p>Medium Clamp: Features a 5" stainless steel extension rod. The prongs open to roughly 2.75" with a maximum recommended grip size of about 2.5". Equipped with double-keyed spring adjustment screws, the prongs have non-slip PVC covers and fiberglass sleeves. Overall length is 9".</p> <p>Large Clamp: Also with a 5" stainless steel extension rod, this model offers prongs that open up to approximately 4" with a recommended maximum grip size of about 3.25". Prongs are covered with non-slip PVC sleeves, with an overall length of 10.75".</p>These heavy-duty 3-prong extension clamps are built from durable, nickel-plated zinc to ensure long-lasting reliability. Available in both single wing-nut and dual thumbscrew configurations, they offer a wide grip capacity and precise, gradual adjustment for maximum holding control. Designed for versatility, the integrated extension rods easily connect to standard laboratory support stands (requires a separate connector). Each clamp comes equipped with removable, non-slip vinyl sleeves for everyday use, as well as interchangeable fiberglass sleeves rated for high-temperature applications above 100°C. Key Features Rugged Construction: Made from premium, nickel-plated zinc for enhanced durability. Versatile Sizing: Available in small, medium, and large sizes to accommodate various setups. Precise Control: Three-prong design features gradual adjustment for a secure, customizable grip. Flexible Configurations: Choose between single-adjust wing-nut or dual-adjust thumbscrew models. Dual-Sleeve Protection: Includes non-slip vinyl sleeves for standard grip, plus heat-resistant fiberglass sleeves for environments exceeding 100°C. Note: An additional holder/connector is required to secure the clamp's extension rod to a support stand. SKU Max Grip Size (mm) Prong Width (mm) Arm Length (mm) Arm Dia. (mm) Overall Length (mm) Quantity per Pack S1381-S 23 10 102 8 160 1 S1381-M 69 16 127 11 218 1 S1381-L 102 28 127 11 254 1 Why Buy From Lab Alley Competitive pricing and well-stocked US-based inventory. Fast 1-2 business days shipping, including hazmat transport. Exceptional customer service and chemical technical support. Delivery on budget, on time, every time.