Quick view Attwood Marine Attwood Kayak Grapnel Anchor Kit Kayak Grapnel Anchor KitGrapnel anchor will hold your kayak, PWC, canoe or float tube in mud, sand, gravel and rock. Includes a 3 lb. silver grapnel anchor with 1/4" diameter x 20' of black diamond braided MFP anchor rope and mesh bag with drawstring. ... Now: $27.24 MSRP: Was: Add to Cart