Kryptonite Stronghold Ground Anchor 

Security Rating: SOLD SECURE GOLD (bicycle and motorbike)

PERMANENT LOCKING POINT for use indoors or outdoors to keep vehicles and bicycles safe 
Attach to solid concrete ground or wall
16mm hardened CARBON ALLOY STEEL SHACKLE
16mm cement anchor bolts installed directly into the cement
Includes 2 MASONRY BITS  1- initial pilot drill, 1-final size drill
1 piece Steel shackle lays flat within domed body when not in use, making it safe to walk or drive over
Recommended for both residential and commercial applications
Product dimensions: 19cm anchor diameter, 4.2cm anchor height
Product weight: 2.7 kgs
Made in USA