For so long, carpenters and handy DIYers have used the hand planer as their most trusted tool. They have evolved from their crudest of forms to the highly sophisticated modern units of today. The electric hand planer is a highly efficient and reliable tool. While both the traditional hand planer and the electric hand planer have the same function, there are some slight differences. One of these differences is that electric planers are driven by a powerful motor – the main reason for their efficiency.