100 Organ DPX17-SK1 135X17-SK1 Quilting Machine Needles (Same as 135X17 MR) (Size 125 / 20) Box of 100 Organ DPX17-SK1 Quilting Machine Needles. Needle System : 135X17-SK1, DPX17-SK1 135X17-SK1 needles are used on A-1 Long-Arm Quilting machines and they can also be used on any sewing machines that use 135X17 system needles. All the shipments are sent from New York, USA.