Looking for a sturdy, durable anchor for your gate handle? This anchor will give you years of active use. This insulated Fi-Shock Gate Handle Anchor is to be used in conjunction with our gate handles. Their screw-in design type is for wood gate posts. Packed 2 per bag. Fi-Shock Means Leadership in Electric Fence Systems for Animal Containment and Control. Fi-Shock provides safe, secure, superior quality electric fence products for all your fencing needs. Q: What is the best way to install gate openings? A: Here're 3 recommended options:.