Autonics Area Sensor, Through beam type(direct beam) BW40 04 HSS Roughing End Mill (Tank Power Fine Pitch) Specification item model symbol Specification Specification item model symbol Specification information built in magnet No built in magnet installation support B Through hole double end tap common (standard) tube inner diameter 25 tube inner diameter 25mm cylinder stroke 10 cylinder stroke 10mm how it works S Dandong: Forward option M rod end male thread auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard Convenient for measuring inner diameter and gap dimensions