A good quality tool to have in your arsenal.
C.S. Osborne #4-1

Good for hand-sewing leather or canvas, contains a spool of waxed polyester thread in the handle. Instructions included explain how an automatic awl lock stitch can be effected in repair work.
C.S. Osborne #413

Used to stretch hide-a-bed springs & zigzag springs, sometimes called a ‘bent awl’.
CS Osborne #18