B258 1000 Watt High Performance bronze through-hull transducer with depth and temperature. Dual-frequency 200/50 kHz. Fairing block included. Compatible with the following sounder modules:
DSM300
Compatible hull material: wood and fiberglass
Max Power: 1000 watts
Frequency: 200/50 kHz
Cable: 30ft (10m) cable with connector
Hole diameter for installation: 1 5/16in
Will not work with L760 or L1850