Please Note - The converter is only compatible with BOG DeathGrip tripod, not compatible with other types of BOG tripods ^^ This complete kit includes 55mm Low Profile Ball Head, Converter, Saddle Mount Plate, Arca Swiss Standard Quick Release Plate & Mlok Arca Rail ^^ You can freely combine them according to your needs. Your BOGDeathgrip tripod will become a dual-purpose tripod for photography or hunting shooting ^^ All major components are made of all metal material and fully anodized in matte black for rugged, corrosion-resistant performance in the field