Master Series Rings Of Fire Nipple Press Set from XR Brands. This set of screw down nipple presses will put a sensual squeeze on your partner. Designed for intense sensations, this delicious torture device lets you control how much pain or pleasure you want to inflict on your partner. The heavy stainless steel is durable, sensual, and attractive. Measurements: Press opens to 0.75 inch in diameter, closes completely. Material Stainless Steel. Color Silver. Note comes with 2 screw down nipple clamps.