GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS] Outdoor | Tackle Storage Diameter of mounting holes (each):

Diameter of mounting holes (each): 7/16"

Downrigger Boom Length: 36″ – 60″ telescoping stainless steel boom

Works with all Class B transponders and receivers

Insert molded stainless steel studs eliminate need for securing nut and allow high torquing for excellent electrical contact

One 30A AC ELCI Main Residual Current Circuit Breaker

GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS] Outdoor | Tackle Storage Diameter of mounting holes (each):1 2" NPS NPT Combo Stainless Steel Thru Hull Fitting with Nut Features: NPSM NPT combination thread #316 Stainless Steel Sizes from 1 2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Hose Size: 1 2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 0. 45 lbs UPC: 742985158887