Double multi-clamp for connecting two pipes with diameter from 15.9mm to 28.6mm. Both sides include FastClamp Easy Set Up System. Do you ever feel like you need three hands to attach a drum clamp?Are searches for dropped and scattered parts a source of constant frustration?That's why Tama's hardware designer came up with FastClamp. It really is as easy as 1-2-3. 1. You open the FastClamp just like a clothespin. 2. You close the FastClamp on the stand just like a clothespin. 3. Now the FastClamp holds the clamp in place so you can tighten the T-bolt. Done! If your kit requires a lot of clamps, you'll find set up time faster and a whole lot easier with attachments that feature the FastClamp Easy Set Up System.