Although the "w" often appears with a forward slash "w/", it's much more likely to mean "with" than "without", (which would be "WO" or "w/o").

Incidentally, it's always worth checking a standard dictionary first, such as the Oxford:

w
ABBREVIATION

1Weight.
2Cricket
(on scorecards) wide(s)
‘extras (lb 10, w 1, nb 18) 29’
3With.
https://en.oxforddictionaries.com/definition/w

w/
See also: Appendix:Variations of "w"
Contents [hide]
1 English
1.1 Preposition
1.1.1 Synonyms
1.1.2 Related terms
English[edit]
Preposition[edit]
w/
Abbreviation of with.
Synonyms[edit]
wth, wt (obsolete); w
https://en.wiktionary.org/wiki/w/#English

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Note added at 34 mins (2018-05-23 23:55:53 GMT)
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Un disculpa, evidentemente debería ser "pulgadas" en vez de "inches" (y que a nadie le quitaría la chamba en cuanto a traducciones al español :-)