This shuttle hook set is made of high hardness metal material, and the parts are reliable in use.These sewing repair parts are widely used for older household sewing machines.This shuttle hook set is reasonable in size, light weight, which is easy to store and carry.A complete unit set includes shuttle hook, shuttle race and eyebrow.Exquisite workmanship creates glossy and smooth surface without burrs. Item TypeShuttle Hook / Race / Eyebrow KitMaterialMetalSize of Shuttle Race(L x W x T):Approx. 7.5 x 6 x 1.9cm/3 x 2.4 x 0.8inSize of Shuttle Hook(L x W x T): Approx. 4.2 x 2.6 x 1.7cm/1.7 x 1.02 x 0.7inSize of Eyebrow(L x W x T): Approx. 3.9 x 2.5 x 2.3cm/1.5 x 0.98 x 0.9inFitmentfor Older Household Sewing Machines Sewing Machine Shuttle Hook Rotary Hook Bobbin Case Shuttle Hook