- New & Used Gear / Consignments / Repairs We are authorized dealers for the following products: (click on the product to visit the manufacturers website) If you have questions about availability and pricing of specific items, call our toll free number in the US 1-877-206-1029 Hours: 12 to 8 Monday - Thursday, 12 to 6 Friday and Saturday CDT. Phone: (414) 545-5900 Fax: (414) 545-5906 4300 W.www.rockhaus.com