ITEM NAME:Spruce Brace Wood Kit for Acoustic Guitar Luthier Tool Material Description: Spruce brace wood kit for acoustic guitar. Smooth surface and exquisite craftsmanship. Prevents the guitar from collapsing under the tension of the strings, and shapes the sound of the guitar. Great for luthier, guitar maker DIY material. Material: Spruce Specification: The shape of the brace plate is shipped randomly and can be DIY trimmed according to the situation. Size Chart: Length: Approx.475mm 400mm 275mm 100mm Support plate: Approx. 170 x 50mm / 6.69 x 1.97inch Package Includes: 12 Pieces Guitar Brace Wood SKU: FUZ0006126278004608.Great for luthier, guitar maker DIY material. Spruce brace wood kit for acoustic guitar. Material: Spruce. 12 Pieces Guitar Brace Wood. Support plate: Approx.