The photo is old and does not correspond to the actual device. The block is a replacement for the original, but the bracket size is different. This is not a direct replacement that will fit existing brackets on the boat. Wording indicates that this is a replacement for HST-DF SBL. Google's key function on this device is 000-0106-77. If you look at these pictures, you can see a newer device. Several sources use old stock photos.
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