Relationship between needles and thread of crochet

The relationship between needles and thread generally is indicative, as it finally depends on the tension applied to each crocheters.

It often happens that at first, when we learn to crochet, do not apply the same tension during weaving, because we are not practical yet and this does not look as prolix the end result, then over time and to gain confidence, we will applying tension more evenly.

Semi-coarse wool Aluminum Crochet Needle No.3 1/2 o No.4
Merino wool 100% wool Aluminum Crochet Needle No.3 1/2 o No.4
Thin merino wool 100% wool Steel Crochet Needle No. 000 o 0000
Flamé wool 100% wool Aluminum Crochet Needle No.5 o No.6
Acrilyc Flamé Aluminum Crochet Needle No.4 o No.5
Acrilyc Bouclé Aluminum Crochet Needle No.3 1/2 o No.4
Thick Mohair (wool, acrylic and hair) Aluminum Crochet Needle No.3 1/2 o No.4
Acrilyc Botoné
Aluminum Crochet Needle No.3 1/2
Thin silk cotton
Steel Crochet Needle No.00 o No.000
Thick silk cottonSteel Crochet Needle No.000 o No.0000
Vegetal silkSteel Crochet Needle No.0000
ViscoseSteel Crochet Needle No.00 
Vegetal silk viscoseSteel Crochet Needle No.0000
100% Thin cottonSteel Crochet Needle No.00 o No.000
100% thick cottonSteel Crochet Needle No.0000
Cotton Flamé Aluminum Crochet Needle No.3 1/2
MacrameSteel Crochet Needle No.1 o No.0
Peruvian threadSteel Crochet Needle No.0000
Summer CashmilonSteel Crochet Needle No.000
Thin summer BoucléSteel Crochet Needle No.00