adjustable truss rod bass guitar neck

{"cid":"91221703","title":"Matte Finish Bass Neck Adjustable Truss Rod Maple Bass Guitar Necks 21 Frets","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/e6\/d27bc6f6e54efc91e6a0722cb8f6-200x200-1.jpg","attrs":{"Price":"$36\uff08Exclude Freight\uff09","Brand Name":"Alnicov","Model Number":"GS28C","Minimum Order Quantity":"10","Delivery Time":"1~3 Days","Place of Origin":"China","Packaging Details":"Box","Payment Terms":"T\/T","Supply Ability":"100PCS \/ 7Days","Width at Heel":"64 MM \/ 2.52 Inch","Application":"Jass Bass Guitar","Neck Shape":"C","Fingerboard Material":"Maple wood","Position Marker":"Black Dot","Depth at Head":"15 MM \/ 0.59 Inch","Neck Finish":"Matte Finish","Strings Number":"4"}}

{"cid":"91179284","title":"Custom Synyster Gates Solid Body Electric Guitar HPL Fretboard","imgUrl":"https:\/\/img.chinax.com\/nimg\/d9\/37\/ee0b1c4b07690cf6921e5bf6d4f4-200x200-1.jpg","attrs":{"Price":"$350-$450\/pcs","Brand Name":"Grand","Model Number":"EG-3452","Minimum Order Quantity":"1pcs","Delivery Time":"10~20 days","Certification":"CE, ROHS, FCC","Place of Origin":"China","Payment Terms":"Paypal, Western Union, L\/C, T\/T, MoneyGram","Supply Ability":"500pcs\/month","Packaging Details":"Single Box with EPE Foam","Guitar Name":"Custom Synyster Gates Solid Body Electric Guitar HPL Fretboard","Body":"Mahogany","Neck":"Mahogany","Fretboard":"Rosewood","Back\/Side":"Mahogany","Pickup":"Passive Closed Style","String Winder":"Closed Knob","Bow":"Brazil wood","Tone Position":"24"}}