DW Drum Workshop DWSMMG-6 Mega Clamp V to Eyebolt with 18-inch 912 Cymbal Arm

DW Drums DWSMMG-6 Mega Clamp V to Eyebolt with 18-inch 912 Cymbal Arm DWSMMG6 - MG-3 with SM912 boom arm with (1) 'V' memory and (1) 1/2-inch hinge memory.