Box of 100 Schmetz 135X5 Serv 7 Long-Arm Quilting Machine Needles. The SCHMETZ 135x5 SERV 7 is a multi-directional needle. This special style of needle was created for the textile industry, more specifically, it was developed for automated sewing processes with multi-directional feeding systems such as automated pattern stitching sewing machines and quilting machines. Better stability while stitching at high speed. Specially formed eye to allow fewer skipped stitches. Longer life (more stitches) due to the advanced shape. With its special blade and scarf geometry, Schmetz SERV 7 needle offers outstanding bending resistance (deflection resistance), giving it extreme stability. A deep and extended scarf that permits extremely tight adjustment of the bobbin hook to the needle. The deep thread groove, extending also into the eye area, provides optimum protection of the thread. Schmetz 135X5 SERV 7 needles are available in following sizes. Please select your size. MR3.0 (Singer size 14 / Metric size 90) MR3.5 (Singer size 16 / Metric size 100) MR4.0 (Singer size 18 / Metric size 110) MR5.0 (Singer size 21 / Metric size 130) Lower size numbers are narrower or thinner needles used for lighter materials. Higher size numbers indicate a needle of thicker diameter, used for heavier materials.