Self-threading sewing needles are very helpful for old people or people who have weak sight. Needle size: 3.6cm (4 Pieces), 3.8cm (4 Pieces), 4.2cm (4 Pieces) There are three different size of needles assorted.With this kind of needles, you will never worry about threading needles. Material: Bearing Steel + Plastic Features: Self-threading sewing needles are very helpful for old people or people who have weak sight. There are three different size of needles assorted.With this kind of needles, you will never worry about threading needles. Material: Bearing Steel + Plastic Needle size: 3.6cm (4 Pieces), 3.8cm (4 Pieces), 4.2cm (4 Pieces) Description: Main Material: Steel Item Size: Approx.(L)4.2cm/3.8cm/3.6/cm Net weight: Approx.18g Note: 1.1 inch=2.45cm/1cm0.393inch 2.Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Including 24 pcs Self-threading Needle For Blind