Chrome plated surface with felt washer and quick release cymbal nut. Install connecting arms, pipes, hangers, and other drum accessories for the extension fixture bracket. The L-suspension rod adjustment clip is suitable for suspension rods or columns with diameters ranging from 5/8 "to 1 1/4". Arm length: 23 x12 cm/9.1 x 4.7 inches, fixture length: 15.5 cm/6.1 inches. Easily add extra cymbals or percussion instruments to your drum set. This product has different sizes and lengths to choose from, and the specific size can be viewed in the picture