Needles have a non-stick coating of Nickel-Phosphor-PTFE! Slippery surface ensures less "goo" sticks to the needle! Tired of gumming up needles with stubborn adhesives? Complaining about missed stitches and thread breakage caused by adhesives? Users of adhesive stabilizers, temporary spray adhesives, or self-adhesive hook and loop tapes can now rejoice! Features: Extra-large eye suitable for embroidery work, Eye corresponds to a needle two sizes larger, Distinctive scarf and special eye prevents skipped stitches, Slightly rounded point provides trouble-free sewing on most materials & strong conical blade reinforcement easily handles thick fabrics like denim.