Tungsten Slotted Beads Color: glow in dark Size: please choose Size 2.0mm, weight is about 0.06g; Size 2.5mm, weight is about 0.1g; Size 3.0mm, weight is about 0.2g; Size 3.5mm, weight is about 0.3g; Size 4.0mm, weight is about 0.5g; Size 4.6mm, weight is about 0.7g; Assortment: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4 sizes assortment, 25pcs per size; Qty: 100pcs (The sizes and weight are approximate.) Slotted tungsten beads, glow.in.dark color. The slotted hole makes it easier to slip the bead around the shank of the hook.