Our aim is creating trendy and very uniquesport accessories. We do modifications, testing, trying to find a factory and a designthat could be aesthetic. Our backpack will be ideal from all with renewable durable and extremely strong patterns. We design our products with easy setup and storage. We value for our clients and encourage them with their passion.Features Bigger ball design offers greater clamping force for larger accessories while still having a smooth full range of motion 163 top plate designed to accept large fish finders Specifications Size: 1.5" Mount Height: 6.5" Base Mount: 2-1/4" x 2-1/4"