Check the listing for details. Porter Cable 7800 Drywall Sander Replacement CASING # 887979 - OEM. Color: Black, Condition: New. Listed at 65.99 USD. Porter Cable 7800 Drywall Sander Replacement CASING # 887979 - OEM Includes: (1) Replacement CASING # 887979. Genuine OEM Replacement Part # 887979. Compatible with many Porter Cable Drywall Sanders including model #7800. Compatible with the Following Models: 7800 Type 17800 Type 27801259385 Type 2 -Sander259485 Type 1 110V -Sander7800 Type 3 3.5 Amp 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 sell and service all major brands of automatic drywall tools. 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