Features: • 39mm black Gorilla Disposable Xion grips. • Made of aircraft grade aluminum, the fully assembled machine weighs only 3.28 ounces. • The Gorilla Xion diameter is 39mm at widest point. It fits all hand sizes and supports a natural ergonomic drawing position. • Get closer than ever to the cartridge for ultimate precision and control. • Redesigned groove pattern provides a supported index rest and, helps relieve hand fatigue. • Needle depth control 0 - 4mm. • Ratchet Disc click system prevents involuntary turning even with heavy machines. • 3mm center bore is compatible with all built-in drive bar machines.