50 Pcs McMaster-Carr 3408A6 Slotted Spring Plungers – 3/8"-16 Thread, 6–21 lb Force, SS Thread Lock 00012345 1pc - Mirror 7

1pc - Mirror 7

but the binocular viewing head is broken and no objectives are included

and 655–720 nm

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50 Pcs McMaster-Carr 3408A6 Slotted Spring Plungers – 3/8"-16 Thread, 6–21 lb Force, SS Thread Lock 00012345 1pc - Mirror 7New and unused. Clean and in excellent condition ideal for precision mechanical applications. Bulk quantity of 50 units. Product Details: Manufacturer: McMaster Carr Part Number: 3408A6 Type: Slotted Spring Plunger with Ball Nose Thread Size: 3 8" 16 UNC Plunger Force: 621 lb (initial to final force range) Body Material: 18 8 Stainless Steel Ball Material: 440C Stainless Steel (hardened) Tip Style: Ball Nose Drive Type: Slotted Thread Locking: Pre