Manufacturer Promotion: Purchase a Deep Margin Elevation Kit and Receive a 6.3 mm Regular Matrices Refill at No Charge. Fax a copy of your invoice dated 1/4/24 - 30/6/24 to: Garrison Dental Solutions, Attn: Liz Kammers, 1-616-842-2430; or email a scanned copy of the invoice to ekammers@garrisondental.com with RLCA424CRD in the subject line.