Raymarine Long Stem BTH Tri With Fairing Block

Longer stem for hulls with steep deadrise or thicker cored hulls. Compatible with the following sounder modules: DSM30 DSM300 Compatible hull material: wood and fiberglass Max Power: 600 watts Frequency: 200/50 kHz Cable: 30ft (10m) cable with connector Hole diameter for installation: 2″ Other: Self-sealing removable paddle wheel insert. High speed fairing block is included.