Hog Saddle Picatinny & Arca Swiss Green. Simply remove the factory Arca clamp from your ball head and install the K-Clamp. Now you have doubled the versatility of your ball head without having to purchase a completely new product. This clamp can also mount to bipods and the Mod Dos tripod table using the JC-MLOK JC-ARMS or JC-Harris accessory plates. The manual knob adjusting clamp will mount to Picatinny and Arca Swiss rail systems. A streamlined design using a minimal number of parts. Specifications for Hog Saddle K-Clamp: Manufacturer: Hog Saddle Color: Green Length: 2.7 in Weight: 2.8 oz Fabric/Material: 6061 Aluminum Stainless Steel Dimensions: 2.7 x 2 x 0.75 in Package Contents: Hog Saddle K-Clamp Hog Saddle K-Clamp: K-Clamp Picatinny & Arca Swiss Green