These grapnel Folding Anchors are designed with four arms that fold flat against the shank for compact storage. Constructed of hot dipped, galvanized iron with forged flukes. Lockable in opened or closed position. Ideal for inflatable boats as there are no open flukes to puncture the sensitive fabric. Great as a primary anchor on dinghies, PWC¢‚¬„¢s, canoes, kayaks, and small sailboats they are also an inexpensive backup anchor on larger boats. Effective holding power in mud, sand, gravel, or rocky conditions.