THIS SET INCLUDES 10 pieces

FS101 = 5/16"

FS121 = 3/8"

FS141 = 7/16"

FS161 = 1/2"

FS181 = 9/16"

FS201 = 5/8"

FS221 = 11/16"

FS241 = 3/4"

FS261 = 13/16"

FS281 = 7/8"