The J510 is similar to the 404 with its hard zinc plate and brass or steel saddles. The difference is addition of the quick-release top-load feature and the shape of the plate which is slightly smaller and has no side edges. Available in either 4-string or 5-string versions. Finish options include X-Finish.
X-Chrome J510BO-4 Quick-Release Bass Bridge Brass Saddles
Multi-Tonal series J510BO hard zinc bass bridge in x-chrome finish with brass saddles for a 4-string bass. Quick release top-load design for easier string changes. String-spacing: 19mm. Plate material: Hard Zinc.
Package includes hex wrench and wood screws.