OZ Liftting Wheel Base Floor-Anchor Kit Hardware The core size is 9"

The core size is 9" x 8"

Solid Mounting Bracket

it's one item every serious gear kit should include

4' to 6' Adjustable Length Restraint Lanyard with Steel 5k Carabiner

and features a shock absorbing nylon vinyl grip

OZ Liftting Wheel Base Floor-Anchor Kit Hardware The core size is 9"OZ Lifting Wheel Base Floor Anchor Kit for Davit Crane Systems The OZ Lifting Wheel Base Floor Anchor Kit is a replacement or additional anchoring kit for OZ Lifting wheel bases, providing the hardware needed to secure the base to a concrete floor during crane operation. When the wheel base is anchored, the davit crane can rotate 360 degrees under load. When unanchored, the crane must remain in a forward position during all lifting operations.