TACO Marine Grand Slam Backing Plates provide welcome, additional support when mounting outrigger mounts to hard-tops and gunnels. The anodized-aluminum finish ensures the long-lasting, marine-grade durability you expect from TACO Marine boat parts. TACO Marine Grand Slam Backing Plates give you better protection for your investments, for better boating and angling. Sold in pairs.Manufacturer model #: BP-150BSY-320-1. Anodized-aluminum finish Extra support when mounting outrigger mounts Sold in pairs Compatible with TACO Marine's GS-280, GS-2801 and GS-380 outrigger mounts and kits