A 3 strand nylon anchor  pack , complete with Stainless Steel thimble in one end.    This anchor  warp will sink in water and has good strength and elasticity.  Pre-spliced with a minimum of 4 tucks to ensure reliability.  
Sinking anchor  warp  
 
Easy coiling  
 
Great stretch and shock absorption properties  
 
Available in 8mm to 12mm diameter  
 
Other sizes Available