Parts H-CAH-CA $4.95 Aluminum Side Bracket for 4 x 4 PostH-ALWSB $36.95 H-B Backup Plate $3.70 HP-R Roller AssemblyHP-R $32.75 HP-DP1 Deck PlateHP-DP $49.50 Pile HoopHP-H $46.50 – $56.85 H-CR Chain RetainerH-CR $9.95 H-SMH-SM $12.95 H-SFH-SF $17.95 H-WH-W $1.65 H-AH-A $3.49 H-IC Inside CornerH-IC $15.75