Description: Made of high quality aluminum alloy+metal material durable. 360° free rotation suction cup design suitable for all kinds of tablet desktop. 0-30mm adjustable clamping high performance. Can be clamped and fixed for polishing/grinding/drilling/cutting operations. It can also effectively fix small objects such as olives walnuts bodhi jewelry handicrafts model making electronic products etc. Size Chart: Without Nails:Approx.9x7.6cm/3.54x2.99inch With Nails:Aprpox.10.3x7.8cm/4.06x3.07inch Black:Approx.10.3x7.8cm/4.06x3.07inch Package Includes: 1 Piece Table Bench Vise 1 Piece Wrench Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor s brightness/contrast settings etc the item s color may be slightly different from the pictures. Please understand.