Tie Down V Bow Stop 4"x1/2" Black 86421 by Tiedown Engineering $23.90 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Tie Down Bow Stop V-Style Black #241-86421 SIZE: 4" with 1/2" hole. Poly vinyl rollers are long lasting, will absorb shock, are cut resistant and will not mark or mar your boat.