SCHOTTEL-specified threadlocking adhesive (anaerobic; Loctite-grade). Used on bolted joints inside the propulsion gear and on the propeller-shaft fastenings per the SCHOTTEL service manual. Order against the SCHOTTEL part number — the exact strength (medium / blue, high / red) and viscosity are specified per joint in the manual. Note: this part number identifies the SCHOTTEL part family. The exact dimensional or material specification on the as-supplied part may require confirmation against the vessel serial number and equipment data plate — confirm with the vessel's SCHOTTEL service file before final order.