The C15 is a replacement C Series base for the C1500 set and includes the convertible mounting tee   

Included:

• One 15” convertible base cover
• One convertible mounting tee made from cast aluminum and polyurethane
• Detailed installation instructions

Additional Details:

• Material: Durable cut resistant polyurethane
• Model: C15
• Base dimensions: 15 x 15 x 2-1/2
• Additional 15” base covers sold separately
• Additional convertible tees (C1415M) sold separately
• Ground stakes (GSB) and ground sleeves (GSH) sold separately
• Universal anchor plug (Plug) sold separately