Tecnoseal X4MG Shaft Anode - Magnesium - 1-1/8" Shaft Diameter [X4MG] Brand_Lee's Tackle A screw-out plate should be

A screw-out plate should be used in compartments where a change in air pressure due to temperature or oil canning can occur

316-grade stainless steel cable

and it can also handle a mixture of air and water without difficulty

The locking ring features lock locators positioned at 180° to improve finger grip during attachment

Tecnoseal X4MG Shaft Anode - Magnesium - 1-1/8" Shaft Diameter [X4MG] Brand_Lee's Tackle A screw-out plate should beShaft Anode Material: Magnesium Outer Diameter: 2. 14" Inner Diameter: 1. 13" Height: 2. 02" Weight: 0. 20lbs Holes: 2 Specifications: Material: Magnesium Box Dimensions: 2"H x 2"W x 2"L WT: 0. 2 lbs UPC: 8059617812324 Quick Guide (pdf) Owner's Manual (pdf)