Beehive 10 Frame Add-On 10 Deep Replacement Frames Langstroth Beekeeping Additional frame set – Includes everything needed to build replacement deep frames for a Langstroth style beehiveFrames – 10 deep frames (9-1/8″ long) made of New Zealand pine and include unwaxed hexagonal shaped foundationsEasy to assemble – Pre-cut finger joints fit together easy and include heavy duty nails