The Pitch Top is used as the top cover to your hive. Used with standard Langstroth Hives. 8 or 10 Frame Style. High quality galvanized steel, on top of a wooden base, fits perfectly across the top with a drip edge around the sides to protect against weather. Can withstand pressure over 2,500 lb. May have sharp edges. For those who purchased a kit all HLH kits are all 10 Frame.