Specifications: Material: 45# Steel Color: As Picture Shown Flare Dies Size: 1/2inch, 6mm, 4.75mm, 5mm, 1/4inch, 8mm, 10mm Clamp Size: 12.5 x 8.2cm/4.9'' x 3.2'' Carry Case Size: 21 x 13.5 x 2.7cm/8.3'' x 5.3'' x 1'' Used On: Copper, brass or thin walled aluminum tube, etc Package Weight: Approx. 1.022kg Instruction: 1. Clean the tube end. 2. Insert the tube from bottom of the clamp until the edge get even on the top. 3. Slide the ratchet cone into the clamp and line the arrow to the mark. 4. Tighten the side T bar. 5. Turn the cone driving screw down until you hear the clutch click. 6. Loose the cone driving screw and side T bar. Remove from the clamp. And take the tube off. Package Included: 1 x Clamp 1 x Spreader 7 x Double Flare Dies 1 x Storage Case