Narrow risers are half as deep as they are wide and tall. For example, the R6N riser is 6" high, 6" wide, and 3" deep. All measurements in inches Product Number Height Width Depth Thickness Price R10N 10 10 5 3/8 $17.50 R2N 2 2 1 3/32 $1.60 R3N 3 3 1 1/2 1/8 $2.15 R4N 4 4 2 1/8 $3.45 R5N 5 5 2 1/2 3/16 $4.75 R6N 6 6 3 3/16 $6.00 R7N 7 7 3 1/2 1/4 $8.00 R8N 8 8 4 1/4 $9.25 R9N 9 4 1/2 9 1/4 $11.80
