SHUD45M-C3 | Stronghand 4-In-1 Clamp Kit Cap. 115mm Rail Size: 16 x 8mm The 4-in-1 F-Clamps are the most versatile Sliding Arm Clamps in the market. All Strong Hand Tools F-Clamps are made of high-quality heat-treated steel and nickel/chrome plated for strength and durability. Come with one F-clamp and a 4-in-1 Accessory Kit (one Extender Block and one V-Pad). Come with one F-clamp and a 4-in-1 Accessory Kit • Clamping Pressure: 500 lb • Throat Depth: 3-1/4? • Clamping Capacity: 4-1/2 ~ 6-1/2 • Equipped with Standard Pad * Do not use with impact wrenches. —————Not Included————— Accessories and Replacement Parts • SHXDVBM – Extender Block & V-pad • SHXDR – Arm & Spindle Kit • SHXDP – Replaceable Pads • SHT64217 – V-Pad • SHXDA2 – V-pad Clip-On Top