DIEGOS® Long curved needle DIEGOS® Long curved needles We have been using these needles in our village for many generations to place the traditional ribbons on the classic espadrilles. They are also often used for sewing sacks in farming and for sail making. DIEGOS® Straight Mattress Needles as the name suggests are a straight sewing needle used in upholstery, upholstery restoration and repair. A really useful tool for repairing sofa cushions. DESCRIPTIONS OF THE 9 NEEDLES: #1 ) Curved needle 3" (7.6cm) long - 14 gauge Length of the eye of the needle 0.23" (0.6cm) #2 ) Curved needle 4" (10.1cm) long - 12 gauge Length of the eye of the needle 0.27" (0.7cm) #3 ) Curved needle 5" (12.7cm) long - 10 gauge Length of the eye of the needle 0.31" (0.8cm) #4 ) Curved needle 6" (15.2cm) long - 9 gauge Length of the eye of the needle 0.35" (0.9cm) #5 ) Curved needle 7" (17.7cm) long - 7 gauge Length of the eye of the needle 0.43" (1cm) #6 ) Curved needle 8" (20.3cm) long - 6 gauge Length of the eye of the needle 0.47" (1.2cm) #7 ) Straight mattress needle 10" (25.5cm) long - 13 gauge Length of the eye of the needle 0.43" (0.8cm) #8 ) Straight mattress needle 7" (17.9cm) long - 14 gauge Length of the eye of the needle 0.43" (0.8cm) #9 ) Straight mattress needle 4" (10.2cm) long - 15 gauge Length of the eye of the needle 0.43" (0.8cm)