Hardness: HRC57-61
Set includes (inches): 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8
Set contents (books): 13
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 0.050: 0.050 x 13 x 77
Diameter (inch) x Neck size (mm) x Total length (mm) 1/16: 1/16 x 14 x 85
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 5/64: 5/64 x 15 x 92
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 3/32: 3/32 x 16 x 99
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 7/64: 7/64 x 18 x 105
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 1/8: 1/8 x 19 x 114
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 9/64: 9/64 x 20 x 122
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 5/32: 5/32 x 21 x 131
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 3/16: 3/16 x 24 x 132
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 7/32: 7/32 x 26 x 143
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 1/4: 1/4 x 29 x 164
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 5/16: 5/16 x 32 x 180
Diagonal dimension (inch) x neck dimension (mm) x total length (mm) 3/8: 3/8 x 35 x 199
Country of manufacture    USA