Onslow Sprung Door Knob - Antique BrassOur flat fronted Onslow door knob is a contemporary alternative to our beehive design. The knob is sprung, which means you dont need to rely on the latch's spring for its movement. Weve opted for a light spring, so it takes very little effort to turn. Theres also no danger of it coming away in your hand weve engineered the rose and knob to be inseparable. Antique brass is whats called a living finish because it reacts to the air and moisture around