How to Say "straight pin" in Spanish
The Spanish word for “straight pin” is “alfiler” — A2 level.
English → SpanishA2
nounA2
sewing tools

Examples
Necesito un alfiler para sujetar la tela.
I need a pin to hold the fabric.
Ten cuidado, hay un alfiler en el suelo.
Be careful, there is a pin on the floor.
El sastre marcó el traje con varios alfileres.
The tailor marked the suit with several pins.
Masculine Ending in 'r'
Even though many beginners think most masculine words end in 'o', words ending in 'r' like 'alfiler' are almost always masculine.
Making it Plural
Since it ends in a consonant (r), you add '-es' to make it plural: 'los alfileres'.
Don't confuse it with 'aguja'
Mistake: “Usar un alfiler para coser con hilo.”
Correction: Use 'aguja' (needle) for sewing with thread. An 'alfiler' is just for holding things in place temporarily.
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