Tiger-bone bridge: Combines hardness and resilience. High durability, stable sound quality. Sharp, clear contours, powerful, with depth and resilience, and a rich resonance. Maple-Ebony Composite Bridge: A fusion of softness and power. This bridge balances the light, soft resonance of maple with the hard, core sound of ebony. Easy to use for beginners to advanced players, and a great choice if you want to change the atmosphere of your performance. Thank you for viewing.