This auction is for six ( 6 ) machinist parallels. The two with holes are manufactured by W Mc Pherson and are 1.095 x .498 x 6 1/8". The two solid parallels are manufactured by T Conroy.and are 1.o46 x .371 x 6 5/8". the single solid parallel was manufactured by W Mc Pherson is 1.046, x .365 x 6 7/8" and the one with the 12 holes was manufactured by W Mc Pherson.and is 1.721 x .443 x 6 1/8". All are in very nice shape. Payment will be to E-Bay and the buyer will pay actual shipping.