Seachoice - 3" Solid Letters - Black - "B" - 10 Pack - 77141. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.. 3" Solid Self-Aligning Letters & Numbers, Black B, 10 Pack