This GPM TRX4ZSP10B door handle set is machined from 6061 T6 aluminum to provide high tensile strength and long service life for Traxxas TRX-4 Defender models. The components feature detailed keyhole styling and are supplied with stabilizing plates and stainless steel cap head screws to ensure a repeatable, secure installation. The set is aimed at modelers seeking a durable metal upgrade that preserves scale appearance while improving hardware robustness.