Ammunition for Love. The original RO-80mm ammo style bullet from Rocks Off is still the most powerful single speed bullet in the world. With one touch operation and powerfully intense vibes, this discreet little pleasure bullet will have you weak at the knees. The cool, soft chrome finish feels luxurious on your skin and the 100% waterproof design means you can take the RO-80mm anywhere with you, even the bath tub. Packaged in its own reusable tube for easy storage, you can pop this pocket sized treat in your handbag so you will never be left unsatisfied. This high caliber bullet is easy to see why this award winning toy is still a best seller all around the world! Single Speed. Material: Metallic plated ABS Plastic. Size: 90mm by 17mm tube. Battery Type: 1.5 Volt N size / LR1. RO-80 Pink Bullet Vibrator from Rocks Off Limited. New images for 2013.