SEM Tac Free Protective Topcoat - 12oz [39643] Marine Plumbing & Ventilation | Fittings On larger boats they are

On larger boats they are used for fine-tune mainsheet tackles

BlueNet™ Network Cable Coupler

Box Dimensions: 2"H x 2"W x 26"L WT: 0

Box Dimensions: 4"H x 4"W x 49"L WT: 3

Orion-TR Smart 24/12-30 30A (360W) Non-Isolated DC-DC or Power Supply

SEM Tac Free Protective Topcoat - 12oz [39643] Marine Plumbing & Ventilation | Fittings On larger boats they areTac Free Protective Topcoat 12oz Tac Free is a flexible satin top coat used to eliminate plasticizer migration on coated surfaces. Features: Eliminates tackiness on refinished vinyl Wet on wet application saves time Protective coating Resistant to alcohol based cleaners Applications: Vinyl previously coated with Color Coat, Classic Coat or Vinyl Coat Quick Guide (pdf)