concrete fence posts For Commercial Uses - Alibaba- fence pliers use for concrete fence ,concrete fence posts being offered at Alibaba for enticing deals and enjoy brilliant results when it comes to manufacturing boards. Loaded with the top-notch inventions and technologies, the. concrete fence posts boast of efficacy that is second to none.Should I use concrete for fence posts? - TreeHozzFind out everything you need to know about it here.Then, what kind of concrete should I use for fence posts? Fast-setting concrete is ideal for installing fence posts since it doesn't need to be mixed in a bucket or a wheelbarrow. Once you've finished digging your post holes, add about three to four inches of gravel into the bottom and compact it using a post or a 2x4.