Adjustable Opening Size: The opening size is clearly marked on the side of the product and can be easily adjusted for convenient use. User-Friendly Design: The lifting clamp features specialized swivel hook facilities that allow for effortless positioning of the clamp in a vertical orientation. Versatile Application: This vertical plate clamp is designed for safely lifting and moving steel plates and structures in an upright position. Durable Construction: Crafted from high-quality alloy steel and processed through high-temperature forging, these lifting clamps offer exceptional safety and a long service life. Non-Slip Polyurethane Rubber: Made from a unique material, the lifting clamps are designed to protect the stone surface, with a textured design that enhances friction and prevents slipping., Manufacturer: AYCDL