National has three sizes of needles bars: one for our Eagle machines, one for our Talon, Super Light, Swing-Gate and Flyweight Swing-Gate machines, and one for our Deluxe machines. All needle bars are made of stainless steel. These needle bars measure approximately 4 1/2" long, 5 3/8" with the needles, and will accomodate National's Eagle machines. Available in singles or in packs of 50. NON-STERILIZED NEEDLE BARS ARE AVAILABLE WHILE SUPPLIES LAST FOR A DISCOUNTED PRICE OF 25% OFF. (PRICE SHOWN INCLUDES DISCOUNT). PLEASE SELECT STERILIZED OR NON-STERILE FROM THE DROP DOWN MENU.