Resources Where to obtain materials, consumables, and tooling. CONSUMABLES Appropriate needles and bobbins are available in the consumables section of our store front. Both are sold individually for ease and convenience. Members are responsible for bringing their own thread and fabric. Bobbins:  Size “M”, standardized metal bobbin Thread Must be in a Cone or Vicone to accommodate high speed Always use the same thread in the upper tension and in the bobbin Fabric:  light to heavy weight fabrics Needle  (see chart below): Size Range for machine:  135 x 17, 135 x 16  (Nm160) Nm125~Nm180 Point Type:  appropriate to fabric Weight:  appropriate to the thread and fabric Eye: must be 40% larger than the thickness of the thread Needle Type (shape of the point) Needle Size (Fine to heavy) Fabric Type Thread Size (Measured in Tex, Denier, mm and weight) Universal R or DP 70 up to 230 Light to heavy woven Light to medium Ballpoint RG, FFG, G 100 to 125 Light to medium knits, jerseys, stretch, bulky knit Light to medium Jeans R 100 - 110 Medium to Heavy Medium to Heavy Leather/Vinyl LR, LL, P, PCL, S, D, GH Range of sizes Heavy/Layers Heavy Vendors Wawak  —Place to buy Needles and thread of every type, including heavy duty and embroidery The Thread Exchange  - thread and needles Needle buying Guide Needle and thread Guide Bobbin Guide Bobbins: pack of 20 for $12 on Amazon