SPLINE REED SIZING GUIDE
This chart is designed to help you find the correct size spline for your needs. Determine which combination of
coins below fits snugly in your chair's groove and use that to match it to the approximate reed spline size. If you
are still unsure, it is our recommendation to order the larger size.
SPLINE REED
6 1/2
7
7 1/2
8
8 1/2
9
9 1/2
10
11
12
INCHES
MILLIMETERS
GAUGE WITH COINS
1/8"
3.2MM
1 NICKEL, 1 PENNY
5/32"
4.0MM
2 DIMES, 1 PENNY
11/64"
4.5MM
2 PENNIES, 1 NICKEL
3/16"
4.75MM
2 NICKELS, 1 DIME
7/32"
5.5MM
3 NICKELS
15/64"
6.0MM
2 NICKELS, 2 DIMES
1/4"
6.5MM
2 NICKELS, 2 PENNIES
17/64"
6.75MM
3 NICKELS, 1 DIME
9/32"
7.25MM
2 NICKELS, 3 DIMES
5/16"
8.0MM
3 NICKELS, 1 DIME, 1 PENNY
ALL MEASUREMENTS ARE APPROXIMATE