Prym Dritz Precision Point Dressmaker Straight Pins. Dressmaker pins, the tips are sharp! These are the highest quality pins you will find. From tailoring to finished garments, you will find hundreds of uses for these versatile pins. Nickel-plated steel. Size 17, 1-1/16" long, .0285" wire diameter 1 lb Box. Approximately 5,000 pins Nickel plating results in a silver colored finish This coating makes these pins highly resistant to corrosion and oxidation