Compatible with the following instruments: ST70* ST60+ ST290Compatible hull material: wood and fiberglassCable: 45 ft. cableHole diamater for installation: 7/8"Includes fairing block.*Using with ST70 requires purchase of ST70 Depth Pod, sold seperately. - cis2:mm5mnJlm -Specifications: Cable Length (Feet): 45'; Speed Included: No; Mounting Style: Thru-Hull; Chirp: No; Temperature: No; Box Dimensions: 4"H x 12"W x 16"L WT: 4.8 lbs; UPC: 723193250655;