Plastic humbucker pickup mounting frames for 7string electric guitars. Durable, lightweight, and designed for a secure fit, this kit provides two curvedbottom humbuckerstyle frames to worn or damaged pickup rings or to pickup height and angle. Key benefits Durable and rust resistant: Made from synthetic plastic with good wear resistance. Resists scratches and friction and is less prone to corrosion in humid environments than untreated metal parts. Secure installation: Precision screw apertures help achieve a tight fit and stable mounting. Aperture sizes: 1.50 mm / 0.06 in, 2.51 mm / 0.09 in, and 1.66 mm / 0.06 in. Kit includes two distinct frames: one lowarc (curved bottom) frame and one slant (beveled) frame to meet different mounting and aesthetic needs. Lightweight and compact: Net weight about 20 g / 0.70 oz for the pair. Compact design adds minimal weight to the instrument. Broad compatibility: Suitable for many models and sizes of 7string electric guitars when a humbuckerstyle frame is required. Specifications Material: Synthetic plastic Color: Black Net weight: About 20 g / 0.70 oz Package contents: 2 pickup frames (one lowarc curvedbottom frame and one slant curvedbottom frame) Note: Refer to the size chart for exact dimensions. Please allow for small manual measurement variations. Practical use scenarios : worn or cracked pickup mounting rings on a 7string guitar to restore solid pickup mounting and appearance. Upgrade: Swap a flat frame for a slant frame to alter pickup angle or to achieve a different visual profile. Custom builds: Use when assembling or modifying a 7string instrument where lightweight, rustresistant pickup frames are preferred. Installation tips Check the screw aperture sizes against your mounting hardware before installation to ensure compatibility. Tighten screws evenly to avoid putting stress on the frame.