{"product_id":"jiayouy-4mm-5mm-ball-end-truss-rod-adjustment-wrench-for-martin-acoustic-guitar-black","title":"Jiayouy 4mm \u0026 5mm Ball End Truss Rod Adjustment Wrench for Martin Acoustic Guitar Black","description":"\u003cp\u003eFeatures:  - Suitable for Martin guitar and specialized to the adjusting.  - The function of adjustments is great and easy to use.  - Made of steel material, super sturdy and durable ,not easy to break. br\u0026gt; - L-shape truss rod, convenient to insert the sound hole and adjust the neck.  - This hexagonal wrench can be used to adjusted the guitar neck straight.  Specifications:  Item Type: Guitar Adjustment Wrench  Material: Metal  Color: Black  Hex Size: 4MM\/0.16; 5MM\/0.2  Package Included:  1 x 4mm L wrench  1 x 5mm L wrench\u003c\/p\u003e","brand":"Jiayouy","offers":[{"title":"Default Title","offer_id":45328251584691,"sku":"WBMUSB098PWN1RF","price":8.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4782\/3027\/files\/413ZCQ578LS.jpg?v=1772809595","url":"https:\/\/emusicmart.com\/products\/jiayouy-4mm-5mm-ball-end-truss-rod-adjustment-wrench-for-martin-acoustic-guitar-black","provider":"Emusicmart","version":"1.0","type":"link"}