YOU ARE PURCHASING 20 OF THE DUAL PUSH THROUGH CABLE BUSHINGS WHICH ALLOW YOU TO CLEANLY RUN THE CABLES INTO THE HOUSE, AND SEAL THAT OPENING IN A PROFESSIONAL MANNER.  I HAVE THEM IN WHITE OR BLACK.  LET ME KNOW WHICH YOU PREFER.   I DO COMBINE PURCHASES MADE IN THE SAME DAY TO SAVE ON SHIPPING.  NO INSTALLER SHOULD GO TO JOB SITE WITHOUT SOME OF THESE IN HIS/HER TOOL BAG.  THEY WORK GREAT.  YOU ARE BUYING 20 OF THEM!    CHECK OUT MY OTHER AUCTIONS TO SEE OTHER GREAT PRODUCTS AVAILABLE.  I WILL COMBINE SHIPPING TO SAVE YOU SOME MONEY.  PLEASE CHECK OUT MY FEEDBACK OF OVER 15,000 TO SEE WHAT OTHERS HAVE TO SAY ABOUT MY QUALITY PRODUCTS AND FAST SHIPPING.  YOU CAN CONTACT ME THROUGH EBAY  IF YOU SHOULD HAVE ANY QUESTIONS.  CHECK OUT MY NEW CABLE TIE HOLDERS/MOUNTS  TO SEE ANOTHER GREAT PRODUCT.