Gripper Bill of Materials

  • Check your kit to make sure it includes the parts in the list below the diagram; most parts are pictured. If anything is missing, contact sales@parallax.com, 888-512-1024.

CNC machined aluminum parts:

  • (1) Hinge (#720-00027)
  • (1) Base (#720-00028)
  • (2) Arms (#720-00029)
  • (2) Idler Gears (#720-00030)
  • (2) Fingers (#720-00031)
  • (2) Paddles (#720-00032)


Laser-cut parts:

  • (2) Gear Plate (#720-00033)


Hardware parts

  • (9) 4-40 ⅜” panhead screws (#700-00002)
  • (1) 4-40 nut (#700-00003)
  • (9) 4-40 nylon locknuts (#700-00024)
  • (6) 4-40 ¼” panhead screws (#700-00028)
  • (4) 4-40 3/16” flathead screws (#710-00005)
  • (1) 4-40 1-¼” panhead screw (#713-00052)
  • (2) #4 stainless steel washers (#712-00011)
  • (1) 1” nylon spacer 3/16” diameter (#713-00031)
  • (2) universal “L” brackets (#720-00011)
  • (1) universal straight bracket (#720-00012)
  • (1) Torsion spring, 90 degrees (#725-00022)
  • (1) Brass rod with ring terminal connector (#725-00027)

Miscellaneous Parts

  • (1) 3M Safety glasses (#700-10003)
  • (1) Super Lube white grease (#700-10019)
  • (1) Combination wrench (#700-00025)
  • (1) Servo horn connector, brass (#725-00007)
  • (1) Parallax Standard Servo (#900-00005)
  • Foam tape, 10" strip (900-00105)

Put the safety glasses on immediately! The Gripper has small parts, including a torsion spring which may be inadvertently released during assembly.