The entire assembly is typically nickel (Ni) plated for:
Corrosion resistance
Wear protection
Improved surface finish
The coating helps the magnet resist rust and degradation, particularly when used outdoors or near water. Pub MediaBox Storage
The hook/eyebolt usually stainless steel is threaded into the magnet body. It serves as the attachment point for rope, cable, or lifting gear, enabling easy retrieval of objects and secure hanging of loads.

Price:
Price 75 INR / Piece
Minimum Order Quantity : 5 Pieces
Product Type : Other, JHook Fishing Magnet
Magnet Category : Other, Rare Earth Magnet
Magnet Type : Other, Permanent Magnet
Color : Silver
Price 900.0 INR / Pack
Minimum Order Quantity : 1 Piece
Product Type : Magnets
Magnet Category : Permanent Magnets
Magnet Type : NdFeB Magnet
Color : Silver
Price 450.0 INR / Piece
Minimum Order Quantity : 1 Piece
Product Type : Magnets
Magnet Category : Permanent Magnets
Magnet Type : NdFeB Magnet
Color : Silver
Price 5000.0 INR / Piece
Minimum Order Quantity : 10 Pieces
Product Type : Magnets
Magnet Category : Permanent Magnets
Magnet Type : Other, Stainless Steel
Color : Silver