Hand splitter, it's also called wedge and shims, plug and feathers.Wedge is a kind of manual tools that uses manpower to impact the metal wedge into holes on stone, thereby split stone. It is mainly used in splitting cracked stone and arch stone which by utilizing a wedge set can be separated into smaller or standard stone blocks. Wedge can also trim relative large and irregular stone blocks.

Generally speaking, 3 sets of wedge and shim are required for per foot of length of stone. The depth of drilled hole depends on the length of wedge.