Side entry cleats allow lines to be hooked in for cleating but still easily removed. Available in silver or anodized finish. Available in a silver or anodized coating. The silver coating is made of a silver stove enamel, that is cost effective while remaining high quality. The anodized coating is a hard anodized finish that gives it a hard wearing surface that is durable.
To differentiate Port version (218) from Starboard (217) visualize using it to cleat a line lead aft, so that the cleat is facing forward. The Port version (218) is open to port, or left if you're standing behind the cleat, and the Starboard version (217) is open to starboard, or right if you're standing behind the cleat.