Joel Halen Round Bottom Flat Top 14mm Male 90 Degree Flat Top 25mm BangerThe new Joel Halen round bottom bucket design makes it easier to move your oil to the hotter parts of the bucket during your dab, while also aiding in the clean up afterward. While great by itself the round bottom buckets are also amazing for use with the Halen inserts, when the insert is set into the bucket the round bottom creates a small space that aids in heat retention providing an even longer low temp dab. Details: Length: 2. 25" Width: 1"