This Little Vise Is Lightweight And Portable. Made Of Alloy Aluminum, And Ideal For All Those Little Jobs. Great For Hobbiest And Crafters, As Well As Electronic Soldering Jobs. It Does The Job As Well As The Bigger Varieties. Overall, This Vise Measures Approx. 3.75" X 3.25", So It Will Fit Into Just About Any Toolbox Or Craft Kit. You'll Find This Vise Handy For So Many Applications: Hold Small Parts While The Glue Or Paint Dries, While Soldering, Etc.* Jaw Opening: 1/2-Inch; Jaw Width: 1.25-Inch * Measures Approx 3.75 X 3.25";* Weighs 5.6 Oz Clamps on to a Surface up to 3/4-Inch Thick * Easy One-finger Operation * Rubber Tipped Winding Levers