SEOUL Knife Cutter (Circular Blade) 125mm Self Tapping Threaded Insert Kit (Stainless) Size: 45 x 85 x Size: 45 x 85 x 19 mm Specification item model symbol Specification information With auto switch D With auto switch installation support B Basic type tube inner diameter 32 Bore size 32mm Types of port screws Rc cylinder stroke 200 cylinder stroke 200mm Cylinder additional symbol no bellows Lock position H Head side lock Format of manual release N Non lock type dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None Cylinder additional symbol 2 no bellows Lock position 2 doesn't exist Manual release format 2 doesn't exist auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard