The Pearl Two-Way L-Arm & Floor Tom Leg Adapter (Dc180) Securely Connects Knurled Mounting Rods Together To Sculpt Functional And Creative Mounting Solutions Around The Kit. Its Two Multi-Positioning Clamps Adjust From 8Mm To 12Mm To Attach To Existing Knurled Rods Like Floor Tom Legs, L-Arms, And Cymbal Boom Arms. This Allows For Creative Expansion Around Your Set-Up Without Additional Stands. Works Well With Pearl'S Extensive Library Of Accessory Clamps, Including The Boomerang Curved Cymbal Holder.