It is a handy tool for cutting tubes or wire ranging from thickness up to5mm The v groove and thumb lever help keep the wire or tube firmly in place The removable adjustable stopper clamp helps cutting to a desirable length up to 65mm repeatedly once the length has been decided The handle is removable and you can also use the jig with a bench vise It measures approximately 4 15/16" x 3 5/8" x 1 1/8" Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.