The Gibraltar Rack Starter Pack lets you customize your drum kit! Gibraltar's Rack Starter Pack contains everything you need to build a rack! You can add-on or customize your rack set up with hundreds of Rack Factory options. The GRSP-CW Curved Rack features 2 curved wings that allow you to position percussion on either side of you, 2 cymbal boom arms, and 4 multiclamps that can hold tom arms or cymbal boom arms. The curved rack bars allow instruments and accessories to be placed closer to you within easy reach.