BioQuip offers an alternative brand of insect pins manufactured in the Czech Republic. These high quality black insect pins feature nylon heads, sharp points, and smooth shafts. They are fabricated from spring steel with black enamel finish for antirust protection. Length is 39 mm (1-1/2Ó). The pins are currently available in the four most commonly used sizes. Size #0 is .36 mm diameter, #1 is .41 mm diameter, #2 is .46 mm diameter, and #3 is .51 mm diameter. 100 pins/pack; quantity price breaks at 10 packs and 100 packs of the same size.