Trying to figure out the nominal sizes of some cheap unlabeled mystery combo wrenches.

Maybe they came as part of installation kits for housewares.


In [1]:
widths = ( # These are measurements. Unit is 1 mm.
    13.31,
    15.56,
    7.05,
    12.97,
    15.18,
    16.22,
    17.74,
    14.85,
    0,
    15.08,
    6.99,
    10.13,
    8.26,
    0,
    11.41,
    9.76,
)

In [2]:
for x in widths:
    sae = x / 25.4
    print(x, sae*2, sae*4, sae*8, sae*16)


13.31 1.0480314960629922 2.0960629921259843 4.192125984251969 8.384251968503937
15.56 1.225196850393701 2.450393700787402 4.900787401574804 9.801574803149608
7.05 0.5551181102362205 1.110236220472441 2.220472440944882 4.440944881889764
12.97 1.021259842519685 2.04251968503937 4.08503937007874 8.17007874015748
15.18 1.1952755905511812 2.3905511811023623 4.781102362204725 9.56220472440945
16.22 1.2771653543307087 2.5543307086614173 5.108661417322835 10.21732283464567
17.74 1.3968503937007875 2.793700787401575 5.58740157480315 11.1748031496063
14.85 1.1692913385826773 2.3385826771653546 4.677165354330709 9.354330708661418
0 0.0 0.0 0.0 0.0
15.08 1.1874015748031497 2.3748031496062993 4.749606299212599 9.499212598425197
6.99 0.5503937007874016 1.1007874015748031 2.2015748031496063 4.403149606299213
10.13 0.7976377952755906 1.5952755905511813 3.1905511811023626 6.381102362204725
8.26 0.6503937007874016 1.300787401574803 2.601574803149606 5.203149606299212
0 0.0 0.0 0.0 0.0
11.41 0.8984251968503938 1.7968503937007876 3.593700787401575 7.18740157480315
9.76 0.768503937007874 1.537007874015748 3.074015748031496 6.148031496062992