Machines of Class 11 have a cylinder bed and a drop feed, and are especially designed for stitching heavy tubular shaped articles in cloth or leather. They are used in the manufacture of mail bags, coal bags, ore bags, military boots and a great variety of similar articles. Some of the machines of Class 11 are intended for making grommet holes and overseaming or zig-zag stitching in heavy fabrics. Machine 11-32 is especially adapted for making eyelets or grommet holes, with or without metal rings, in sails, tents, tarpaulins, mail bags, canvas bags and similar articles. This machine is furnished with the “SINGER” Driving Attachment. As regularly fitted, the machine will make eyelets or grommet holes of Yi, %, y or J-g inch inside diameter, the holes being completed with or without metal rings, as desired. Larger holes ranging from 1 inch to 4 Y inches in diameter can also be made, and for this purpose special fittings will be furnished at an extra charge to the machine, when so ordered. The‘minimum variation in the sizes of these holes is % inch. Smaller holes than inch inside diameter can also be made when a special throat plate and centre guide are fitted to the machine, these parts being furnished, on order, at an additional charge to the machine. When the machine is to be used for covering metal rings, samples of rings must accompany the order. The bight or width of stitch can be varied up to 34 inch. Parts are furnished to feed across the cylinder for straightaway stitching. The machine is usually operated on Column Stand 14685 and equipped with Counter Shaft 41165. This column stand and counter shaft are furnished, on order, at an additional charge.