Features: Made of high-quality nylon and aluminum alloy for durability and ease of use Ratchet design enables easy opening and strong, secure closure; soft, rotatable grip Large spring clamp clamping diameter: 75mm; small spring clamp clamping diameter: 50mm Stable clamping performance, durable construction, ideal for securing small workpieces Reinforced nylon construction ensures tight, sturdy, and long-lasting hold Non-marring pads protect surface finishes Ergonomic handle for comfortable grip Suitable for photography, backdrops, woodworking, and other applications Package Includes: 1 x Heavy Duty Nylon Ratchet Spring Clamp Specifications: Material: Nylon + Aluminum Alloy Type: 8 inches / 6 inches (Optional) 8-inch Clamp: Clamping Range: 0–75 mm, Clamping Depth: 90 mm, Dimensions: 22 x 12 cm (8.66 x 4.72 in) 6-inch Clamp: Clamping Range: 0–50 mm, Clamping Depth: 60 mm, Dimensions: 15.5 x 8 cm (6.10 x 3.15 in) Note: Please allow for a measurement tolerance of up to 3 mm due to manual measurement.