JSP Manufacturing Fence Post Plastic Black Cap 4x6 (3 5/8 X 5 5/8) Fits Treated Posts Multipack Wholesale Bulk Pricing Fence Post Plastic Black Cap 4x6 (3 5/8" X 5 5/8") Pressure Treated Posts CAP PRESSES OVER THE OUT SIDE OF A 4X6 POST EXACT INSIDE DIMENSION OF THIS CAP IS (3 5/8" X 5 5/8") Bulk/Wholesale Pricing. The more you buy the less each Fence Post Cap costs. Wholesale lot pricing below. Buy 3 for $11.67 which means you pay $3.89 each and save 5% Buy 4 for $15.40 which means you pay $3.84 each and save 6% Buy 5 for $18.70 which means you pay $3.79 each and save 7% Buy 6 for $22.44 which means you pay $3.74 each and save 8% Buy 7 for $11.67 which means you pay $3.69 each and save 10% Buy 8 for $28.72 which means you pay $3.39each and save 12% Buy 12 for $40.68 which means you pay $3.39 each and save 22% Buy 16 for $52.64 which means you pay $3 Buy 24 for $76.56 which means you pay $3.19 each and save 25% Buy 32 for $98.88 which means you pay $3.09 each and save 30% Buy 60 for $161.40 which means you pay $2.69 each and save 39% Buy 80 for $207.20 which means you pay $2.59 each and save 41% Buy 100 for $239.00 which means you pay $2.39 each and save 46% Buy 125 for $273.75 which means you pay $2.19 each and save 50% Buy 160 for $334.40 which means you pay $2.09 each and save 52% Buy 200 for $398.00 which means you pay $1.99 each