Arm with candlestick from a three-tiered candelabrum

Candle arm belonging to a three-tier brass candelabrum. The S-shaped arm has a curl and transitions outward into a flat thickening with a screw hole. The candle holder with the drip pan is secured therein. The drip pan is ribbed and profiled around the opening on the underside and features two grooved rings and a single grooved ring. The cylindrical candle holder, which has a profiled projecting rim, two grooved rings, and a thickening at the bottom, transitions into a baluster with a threaded end with a flat underside at the bottom. This is the fourth arm of the middle tier ring, numbered with 4 round points. The pin, used to attach the arm to the tier ring, has a round knob on top.