DescriptionThis item is a professional dual way adjustable truss rod for guitar. Rod body is wrapped in shrink wrap. 460mm quality guitar truss rod dual action type, welding point in place. High-quality adjustment lever ensures that each guitar has a perfect and stable quality. It acts in both directions can increase curvature both ways.Features- Color: Blue. - Material: Metal. - Size: Approx. x 0.97 x 0.97 cm. - Professional dual way dual action adjustable truss rodsuitable for bass and guitar, easy to install and use. - Full length 460mm quality guitar truss rod dual action type, welding point in place. - Acts in both directions can increase curvature both ways. - Dual action adjustable rod with pull type compression for adjustment. - Strong steel construction to ensur maximum endurance for durable and long-lasting use. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!