91407 - Disposable Core Biopsy Gun Size 18G One-Handed Cocking And Lightweight Ergonomic Design Improve Both Handling And Control Features 22Mm Penetration Depth Two Firing But Tons Accommodate Your Preference Color Coding Promotes Accurate Needle Gauge Identification Comp Atibility With Truguide%U2122 Coaxial Biopsy Needle Enhances Efficiency And Accuracy Product Basic Specification Coaxial Length - 17.8 Cm Gauge Size - 18 Length - 20 Cm [ Warranty Period: 30 Month S After The Date Of Delivery ] ]