Seachoice Bow Chock 4-3/4" S/S Pr 50-31251 by Seachoice $28.97 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Bow Chock Pair #50-31251 316 Stainless Steel Skene type bow chocks have an overall length of 4-3/4". Mounts with # 10 screws Max Rope Size: 5/8"