Kryptonite Stronghold anchor from the ground

Stronghold floor anchor.

Features

Permanent locking point for indoor or outdoor use to secure bicycles and vehicles
Attaches to a concrete surface/wall or truck/trailer bed
16 mm carbon-alloy hardened steel ring
5/8’ anchor bolts attach directly into concrete
Two masonry drill bits are included (1 for initial pilot hole, 1 for final expansion bolt)
Steel ring rests flat on the dome structure when not in use, making it safe to walk through or step on
Recommended for residential and commercial applications
Product dimensions: anchor diameter 19 cm (7.5‘), anchor height 4.2 cm (1.65’)
Manufacturer's weight: 2.77 kg (6.10 lb)