Small transparent tub w/ white plastic screw cap. 500's

4.5mm diameter steel BBs, nickel-plated, some corrosion resistance.

Please do not use in conjunction w/ pellet traps, high ricochet danger.

Weight per unit: 5.1 ~ 5.4gr

Content packed by weight, not count.

Magnetic

Will corrode if left outside / exposed to open air for days.