9"" long 3d printed keel.  for a 1/4" eye bolt to secure the front end and a 1" square pad on the rear to land a screw.  
3/4" x 3/16 pocket on the lower side of the handle to hold your weight to counterbalance your decoy.  
comes with plastic cover to enclose your weight. 
10% off for orders of 12 or more.
Comes in black. 
Can be customized for your decoys with and design upcharge one time.
Can be bought as an electronic file also.