This new square drive anchor adapter is designed to fit Pylex foundation screws. As an accessory item, it may be useful for buyers who need the correct drive connection when installing or working with compatible foundation screw systems. Free shipping is included, which can help simplify the total purchase decision. The listing does not provide additional specifications such as size, material, or exact compatibility range, so buyers should confirm that it matches their existing Pylex components before ordering. If you are replacing a lost adapter or adding one to a tool setup for foundation screw work, this may be a practical option. Check the listing for full details. Square drive anchor adapter - fits Pylex foundation screws. Condition: New. Listed at 49.95 USD. Anchor/pier/pile square shaft adapter to square drive adapter. Fits Pylex ground screws. Used to convert the square shaft of the anchor to a commonly available square drive for using ratchets, impact wrenches, FCATs, and other tools having a standard drive connection. Model number information:SDP50 - Pylex anchor shaft to 1/2" square driveSDP75 - Pylex anchor shaft to 3/4" square driveSDP100 - Pylex anchor shaft to 1" square drive Link to FCAT drivers:https://www.ebay.com/itm/225588637642