Bristol Spline Wrench Set - 9 Piece

The Bristol SS-508 is our most popular set for ham radio, audio / video, and electronics applications... including many Collins-Rockwell, Hallicrafters radios and  Bell-Howell 8mm / 16mm projectors.  This set is also used to work on military radios, avionics, and electronic test equipment.  These are high-quality original Bristol - USA made tools that will last.  Includes 9 short-arm keys.

MARINE SEXTANT: The correct Bristol wrench size to fill the bubble assembly is the third largest one available in the SS-508 SPLINE KEY KIT. It is the 4 flutes key number S-076-4. The largest key of this kit, the S-111-6, is also the best suited wrench to slacken the index mirror fastening screw on its axis in order to perform the index error coarse adjustment.

Includes the following wrenches:

• S-033-4 - .033 (4-flutes)
• S-048-4 - .048 (4-flutes)
• S-048-6 - .048 (6-flutes)
• S-060-6 - .060 (6-flutes)
• S-069-4 - .069 (4-flutes)
• S-072-6 - .072 (6-flutes)
• S-076-4 - .076 (4-flutes)
• S-096-6 - .096 (6-flutes)
• S-111-6 - .111 (6-flutes)