Spider silk is tougher than steel by weight and can stretch 30% without snapping.
Spider silk is tougher than steel by weight and can stretch 30% without snapping.
$17.50
High quality Insect Entomology Pins. These superior pins are fabricated from spring steel with black enamel finish for anti-rust protection with very fine points. Ideal for pinning insects into an insect collection. Pack contains 100 pins.
