Description 123 Block Set containing 2x 123 blocks. Comes in a plastic case with screws. Each 123 Block measures 1 x 2 x 3″. 123 Blocks are used for hundreds of tasks in machinist and knife makers workshops. These fantastic blocks are made to bolt together properly unlike other 123 blocks in this price bracket. These are not the cheap ones that won’t bolt together. There is an excellent article here on how this type of block can be used: http://rick.sparber.org/123.pdf. They are the most useful tool a knife maker can have in their shop for setting platens and tool-rests square in seconds: https://youtu.be/fc3_anNfBgY?t=6m.
