12 inch cymbal post with multiposition tilter. Includes an SC-STL4 mounting bracket to attach to your bass drum shell. Highly adjustable and versatile, the Gibraltar bass drum mounted cymbal arm with bracket is a great way to mount a ride, splash or crash cymbal to your bass and eliminate a stand. The rod that fits in the SC-STL4 bracket has a 9.5mm diameter. The mounting hole spacing is 2" from center to center.