ITEM NAME:Spruce Brace Wood Kit for Acoustic Guitar Luthier DIY Accessories Parts C3H1 Spruce Brace Wood Kit for Acoustic Guitar Luthier DIY Accessories Parts C3H1 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 Size Chart: Length: Approx.475mm 400mm 275mm 100mm Support plate: Approx. 170 x 50mm / 6.69 x 1.97inch Color: wood color Package Includes: 1 set Guitar DIY Parts.Great for luthier, guitar maker DIY material. Spruce brace wood kit for acoustic guitar. Material: Spruce.