Magnetic Transfer V Block and Parallel Blocks. These have no makers mark or etchings. All measurements are approximate and done with a ruler. V Block base measures 3 3/8 x 2 13/16, height is approximately 2 5/8. Parallels measure 3 3/4 length x 1 7/16 x 1 1/16. Blocks show signs of use and long term storage. Please review all photos to determine condition and identification. Blocks are sold as is with No Returns. Will be shipped via USPS Priority.