The Gibraltar SC-GRSMAMC Road Series Multi-Angle Multi-Clamp is the perfect choice for drummers looking to customize their kit. This metal, black-coated clamp can mount cymbal, tom, or accessory arms from 1/2" (1,27 cm) to 1 ¼" (3,17 cm) diameter and rotate 360°, and is ideal for rack tubes with 1.5" (3,81 cm) diameter. With its square-head screw locking mechanism, you can ensure your accessories are always secure.