The Zona lightweight Plastic Mini Vise has a non-rusting stainless steel threaded shaft for advancing jaws. Great for projects that require the use of water such as drilling, sanding or shaping shell or stone. the mini vise measures 4-1/4 x 3-1/8 x 1-3/4′. Jaw width- 1-3/4′. Jaw height- 3/4′. Jaw capacity- 1-5/8′. Mounting holes 15/64′ diameter for No. 12 screws. Made in UK