The Dorcas Brand of pins were considered the "Cadillac" of pins before there was a change in the manufacturing of this pin and that seemed to cause issues with many users. These pins are still available in three sizes
118100 - Size 17 measures 27mm x 0.26 - 1 1/16" with approx. 6500 pins/pound. Stock is available but has been discontinued by manufacturer.
118400 - Size 20 measures 30mm x 0.60 - 1 1/4" with approx. 5700 pins/pound
119000 - Size 23 measures 34mm x .065 - 1 7/16" with 500 gram/box