Series Centers Extension Height Working Travel Max. Travel     mm / inches mm / inches mm / inches 5087 4.00 mm 23.50 / .925 9.50 / .374 10.00 / .394 5104 4.00 mm 34.90 /1 .374 5.00 / .197 7.00 / .276 5203 2.54 mm 40.50 /1 .608 5.00 / .197 5.50 / .216