NIKKEN Milling Chuck L20mm–L42mm mitutoyo 10% of sensing distance Standard 10% of sensing distance Standard sensing target 18×18×1mm(iron) Response frequency 500Hz Indicator Operation indicator (red LED) Unit weight (packaged weight) ≈ 73 g (≈ 85 g) Power voltage 12 24 VDC(ripple P P: ≤ 10 %) Specification item model symbol Specification information built in magnet No built in magnet installation support B Through hole (standard) tube inner diameter 25 tube inner diameter 25mm Types of port screws Rc M screw cylinder stroke 15 cylinder stroke 15mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None body options Standard (rod end female thread) Auto switch mounting groove No auto switch mounting groove auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard