Riser Qty Each  
6 inch riser 5+ $0.41

8 inch riser 5+ $0.44

12 inch riser 5+ $0.47

18 inch riser 5+ $0.52

  Qty Each  
1+ $0.59

  Qty Each  
1+ $1.22

  Qty Each  
1+ $0.95

  Qty Each  
1+ $1.50