No Batteries Included No High-concerned Chemicals Type: Pickup : Metal and ABS construction for durability This Tone Control Wiring Harness Bass Pickup is crafted from high-quality Metal and ABS materials, designed to effectively capture and amplify bass sounds, delivering a clear and rich tone suitable for various musical styles. The bass frequencies maintain their deep growl while the treble sounds are smooth yet defined, thanks to the prewired harness with 250K pots that smooth out the highs. Featuring a simple design, this bass guitar tone control wiring harness allows for quick and easy installation, making it a great choice for electronic string instruments. It caters to the diverse needs of different users, ensuring consistent and stable performances, allowing musicians to focus on their craft. The size of the product is approximately 27x72mm (1.06x2.83 inches). Please note that manual measurement may result in 1-2cm errors, and colors between monitors. Color: As shown Material: Metal+ABS Package Contents: 1*Tone Control Wiring Harness Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.