Heavy duty cane bolt for all metal, wood or vinyl gates. Ideal for double driveway gates. Lokk Bolt is made by D & D Technologies. "Metal Model" is for metal gates. "Wood/Vinyl Model" is for wood or vinyl gates. Made from tough polymer construction. The rod is made from 316 grade stainless steel. Built in keyed lock. Can be re-keyed by a locksmith to any Kwikset type key. Bolt retention groove keeps the bottom of the cane bolt from dragging across your driveway (holds cane bolt in the up position). Cane bolts are not handed. They will work on both left hand and right hand opening gates. Comes complete with all fasteners and two keys. Optional Base Plate: An optional base plate is available for these cane bolts (our SKU 928019). Sold separately and can be found under related products. This base plate is approximately 5" in diameter and has an approximate projection of 5/8". The base plate is made from polymer and attaches with 5/16" diameter lag bolts (not included but offered under related products). If attaching to masonry or concrete you should use lag anchors (not included but also offered under related products).