Long risers are rectangular in shape, half again as wide as they are tall. For example, the R6L riser is 6" high and 9" wide. All measurements in inches Product Number Height Width Depth Thickness Price R10L 10 15 10 3/8 $23.00 R1L 1 1/2 1 3/32 $1.30 R2L 2 3 2 1/8 $1.90 R3L 3 4 1/2 3 1/8 $2.65 R4L 4 6 4 3/16 $4.20 R5L 5 7 1/2 5 3/16 $5.95 R6L 6 9 6 1/4 $7.85 R7L 7 10 1/2 7 1/4 $9.85 R8L 8 12 8 1/4 $11.50 R9L 9 13 1/2 9 1/4 $14.50
