Abus WBA 100 C  Hardened Steel Floor Anchor 0.63-Inch Shackle
The WBA-100 floor anchor is constructed from a high quality plastic, which is so strong a vehicle can be driven over it without breaking or cracking. This feature coupled with a .63" diameter hardened steel shackle makes this the most durable floor anchor design available. The extra wide shackle base allows for easy locking and unlocking and can fit almost any type of chain or padlock. All mounting hardware is included.