SE 8408DH4 Double Mouth Pin Vise Set (4 Piece) Chrome-plated brass (4) double mouth pin vises in assorted lengths: 3-1/2", 4", 4-1/2", and 5" Knurled handles for a sure and steady grip Double-sided chucks Used for wire gauge drills, wire twisting, and holding reamers, bits, and mini tools