Galvanized the Seahook Anchor Blinds 8cm) accommodates even the largest Bike Tools 8cm) accommodates even the largest diameter frame tubes Technical Information's: listed weights are approximate This product replaces 318502 it remains stable under a wide range of tide and wind conditions Exceptional holding power in most sea beds Stows easily on a bow roller Quick set and reset Constructed of hot dipped galvanized cast steel in a single piece design for maximum strength and holding power 318501318530 are investment cast 318550318580 are sand cast Heat treated type C1035 steel A competitively priced alternative to the Bruce anchor Weights vary due to metal and coating content