Model Modification Jig with Various-Sized Holes, Round Rod Guide Block, Aluminum Alloy, Center Drill Guide Block for Craftspeople

This model modification jig is crafted from high-grade aluminum alloy, providing stability and accuracy for intricate modifications. It is suitable for use with mecha model sets, custom architectural miniatures, and similar hobby projects. The sturdy construction minimizes vibration, and the smooth finish helps protect delicate model parts from scratches during clamping. The jig features a dedicated V-groove base that centers round rods, allowing for vertical center drilling on hollow tubes or horizontal cross-section punching for adding structural pins. It helps prevent the boring tool from slipping, making it easier to create aligned joints and add realistic details.