This approx. 87 x 86mm ( 3.43 x 3.39 inch) 4-string headless bass bridge is suitable for use in a wide range of electric bass guitars. Features: Tightly locking the strings: Create a solid connection that translates to a rich sound. The WB004 headless bass bridge ensures tight-locking strings.Adjustable String Spaces: Increase playing comfort during shows and practices with this bridge’s 19.1mm string spacing that’s slightly adjustable at the same time. CNC-Processed: CNC machining employs high-quality materials and precise cutting techniques, resulting in optimal string alignment, clear intonation, and enhanced overall playability.Easy to Install and Use: Take full control of your bass with the ability to repair, maintain, or upgrade it yourself.High-Grade Metal: Made of high grade metal material, anti-corrosive and durable.Great for Luthier and DIY projects: Whether you're a seasoned player or a dedicated beginner, this headless guitar bridge is perfect for DIY replacements.Suitable for 4 string headless electric bass guitar. Technical Specification: Suitable for: 4-string headless electric guitarBridge size(L x W): Approx. 87 x 86mm( 3.43 x 3.39 inch)The string spacing of the bridge is 19.1mm (0.75 inch).Style no.: WB004Color: Black Note: There might be 1-2mm error in the manual measurement. Guyker Guitar Bass Tuners (3R + 2L) - 1:17 Ratio Headstock Sealed Tuning Key ... Guyker Guitar Bass Bridge - A-Style Bass Bridge 4 String .656" .687" .718" .7... Guyker 4 String Bass Guitar Nut, Adjustable Height Bell Brass Nut Length 38mm... Guyker Bass Machine Head (2R + 2L) - 1:21 Ratio Gear Open Frame Tuners Tuning... Guyker Bass Guitar Bone Nut - 4 String Flat Bottom Pre-Slotted Bone Nuts Repl... Guyker 2Pcs 2-String Retainer/String Guide for Electric Bass Head Retainer St... Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 321 4.2 out of 5 stars 52 4.0 out of 5 stars 31 4.8 out of 5 stars 9 4.5 out of 5 stars 10 4.4 out of 5 stars 52 Price $39.99$39.99 $23.99$23.99 $9.99$9.99 — no data $11.99$11.99 $9.99$9.99 Feature Sealed bass tuning machines for electric bass, like jazz Ibanez style bass. 4-string A-Style bass bridge. Compatible with 4-string jazz bass and most similar instruments. Open gear bass tuning machines. For 4 string bass guitar, eliminate that fret buzz. These retainers assure proper string tension for tone, sustain and playability.