GIVIMO Steel Engraving Ball Vise with 5-in dia Chrome-Plated Ball 3.86-in Maximum Jaw Opening 360-Degree Rotating Dual Ball Bearing Base and 35-pc Attachment Set of Ring Clamps Plate Clamps Accessory Pins and Hex Wrench for Gemstone Inlay and Engraving

Jaws Open to 3.86-in: Coaxial control jaws with upgraded pins clamp to a 3.86-in or 98-mm opening and hold a setting square so a graver line does not wander part way through the cut

Turns Without Slop: A 360-degree rotating base rides on a dual ball bearing system with no internal looseness so a curve gets followed by spinning the ball instead of resetting the work

35 Pieces in the Kit: Ring clamps plate clamps accessory pins and a hex wrench arrive as a standardized set so rings plates and odd shaped blanks all get held without improvised packing

Bench Work Under Glass: Gemstone inlay stone setting and small-scale engraving suit it and the flat profile keeps the work low enough to sit comfortably under a bench microscope

Steel Under Hard Chrome: Ball and jaws are steel finished in hardened chrome plating the ball measures 5-in or 127-mm across and the unit sits on a rubber base at 5.7 x 5.7 x 6.7-in overall

Specification: Ball dia: 5 in / 127 mm; Max Jaw Opening: 3.86 in / 98 mm; Ball and Jaw Material: steel; Finish: chrome plating; Base: rubber; Accessories: 35 pc; Net Weight: 20.3 lb / 9.2 kg