Designed to be mounted in your vise whether mounted on a bench, wall, or floor.( Works best when secured in a vice.) By turning the handle on the side of the tubing crimping tool, you can form the desired crimp on of the aluminum tubing or copper tubing. The detachable handle is specially designed for the user, allowing you to operate it more easily. Form a perfect bead on tubes so that rubber or silicone hose can be more securely clamped to them. Simply insert of the tubing between the dies and start cranking the turning handle. Give the wheel a quarter-turn with each full rotation of the tubing to gradually tighten the dies against the tubing. (Note: Always apply the bead before welding.) Vise Jaw Inserts Tool: [Fitment] 1 set Vice Jaw Tool,Suitable for different occasions and compatible with sizes of bench vises, fixtures, drilling machines, milling machines, etc. [Powerful Magnets] Magnets are attached to the vise jaw cover with stainless steel bolts and over-molded on the vise jaw pad, which can be firmly fixed in the vise without falling off, keeping the jaw pad firmly in place for better grip. [Special V-Shape Groove] The vice jaw protector features a precision grooved to securely hold hex AN fittings, irregularities, and other objects in place. Can be used with any size AN fitting from 3 AN to 32 AN. Type:Piping Crimping Tool Condition:100% New Fitment: Use with 5/8inch (16mm) or larger ID tubing for proper operation. For Aluminum, Steel, Copper or Stainless Steel Intercooler Pipe. For Wall Thickness of Steel/Aluminium/Stainless Steel Tube shouldn't be 0.050Inch(1.25mm). Type:A:With Vise Tool Colour:Black & Silver Material:aluminum Package Contents: 1 x Piping Crimping Tool 2 x Aluminium Vise Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.