Description:  300-800mm Length Quick Guide Rail Clamp Carpenter F Clamp Quick Clamping for MFT and Guide Rail System Woodworking DIY Hand Tool.     Specifications:  Product Name: Forging Rail F Clamp.  Material: Metal.  Surface Treatment: Surface polishing, electroplating.  Hardness: Above HRC60.  Size:  300 x 120mm.  400 x 120mm.  500 x 120mm.  600 x 120mm.  800 x 120mm.  Color: Silver + Blue.  Wall Width: 25mm.  Wall Thickness: 12mm.  Quantity: 1 Pc x Forging Rail F Clamp.  Clamping Force: 370kg.  Length: L x H（mm), Weight.  300mm: 300 x 120, 2.2kg.  400mm: 400 x 120, 2.42kg.  500mm: 500 x 120, 2.64kg.  600mm: 600 x 120, 2.86kg.  800mm: 800 x 120, 3.29kg.  Note:  L: Clamping Thickness.  H: Clamping Width.     Features:  - Secures your workpiece for precision cutting, sanding, routing, sanding, or just about any other application.  - Ratcheting mechanism enables easy locking and quick release for a a more efficient workflow.  - Works seamlessly with holes and channels of the the MFT table and can be inserted into bottom t-slot of guide rails for limitless positioning.     Package Included:  1 Pc x Forging Rail F Clamp