Feature:1. Designed for helping electric guitar or bass body and neck connected.2. Recessed neck screw bushings, for electric guitar or bass neck place, easy to install, convenient to use.3. Sturdy metal material, with high strength and durability.Specification:Ferrules bushings with nuts help electric guitar or bass body and neck connected. Made of reliable quality material, they are suitable for electric guitar and bass players, luthiers, DIY lovers and more.Features:Designed for helping electric guitar or bass body and neck connected.Recessed neck screw bushings, for electric guitar or bass neck place, easy to install, convenient to use.Sturdy metal material, with high strength and durability.Rustproof, anti-corrosion, wear resistant and shiny.Perfect accessories for electric guitar and bass players, luthiers, DIY lovers, etc.Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.Specifications:Color: Silver or Black or Gold (Optional)Material: MetalScrew Size: Approx. 44.5 x 4.5mm or 1.75 x 0.18inFerrule Diameter: Approx. 14mm or 0.55inPackage Size: Approx. 7 x 5 x 1cm or 2.76 x 1.97 x 0.39inPackage Weight: Approx. 40g or 1.41ozPackage List:4 x Screw4 x FerrulePackage List:4 x Screw4 x Ferrule