Usage - The needle, with the thread in the eye is pushed through the material. The thread is then pulled through the eye to extend it. As the needle is pushed through the material, the extra thread from the first stitch is then threaded through the loops of successive stitches creating a lock stitch. Package included - This awl comes with two needles instead of one! This set includes the Lock Stitch Awl, two needles (one heavy, the other fine) and tightening wrench which can be stored in the contoured wood handle as well as a spool of black thread. Widely application - This awl set is excellent for quickly sewing and repairing sails, tent canvas and other heavy duty fabrics as well as securely lock stitching leather. Two needles-The two needles can be removed and replaced freely, making sewing more convenient. Specifications: Size: Handle size: 13.5x3.5cm/5.31"x1.38" Wrench size: 5.5x1.5cm/2.17"s0.59" Needle length: 5.4cm/2.13" (long)4.5cm/1.77" (short) Item: Sewing Tool Material: Metal + wood Length: Approx. 135mm Application: Leather/canvas items Package included: 1 X Sewing Tool 2 X Needle 1 X Waxed ThreadProducts from jinyu's store