Tulip Bullion Knot Needles, tube of four (4) needles: two (2) each 60 mm long and two (2) 65 mm long. World's first needle that can be smoothly removed from thread wraps: ideal for Bullion, Cast-on and Double Knots. Straight body with a straight needle eye opening the same width as the shaft; flexible and warp resistant. All Tulip Needles, manufactured in Hiroshima, Japan, are designed specifically for needle artists. Hand-stitching needles have beautiful eyes for easy threading; special processing produces a body of ideal strength. Surface treatments include lengthwise polishing and/or nickel-plating for needles that resist rust and glide easily through fabric. The precision point provides smooth piercing for easy stitching. Needleworkers report experiencing less hand fatigue using Tulip brand needles!