Check the listing for details. 10" Stainless Steel Drywall Flat Box Blades - 10 Pack. Condition: New. Listed at 34.95 USD. 12" Stainless SteelDrywall Flat Box Blades 10 Pack 10 new high quality stainless steel 10" flat box blades . If your blades are getting worn and leaving edges, replace them. The brass blade holder on your flat box retails for over $100. Don't allow your blades to wear down to the blade holder. These stainless blades will fit : ColumbiaTapeTechNorthstarDrywall MasterTape MasterWilcoLevel5G2DeWaltAnd many more. Al's Taping Tools is the Largest Drywall Tool Store in the World! We are also a fully equipped automatic drywall tool service center with over 30 years in the industry. We service all major brands. All of our service techs are also fully trained in the operation of the tools that we sell and service. So if you are new to automatic drywall tools or have any questions please give us a call or send us a message. We are here to help. Al's Taping Tools & Spray Equipment815 Tower DriveMedina, MN 55340