Ball Knobs
Ball Knobs，alson known as Ball Clamping Knobs, M5-M16 material by bakelite from China Clamping Knobs Manufacturer.
Ball Knobs
Material: bakelite
Size: M5 – M16
Color: Red / Black
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Ball knob specification:
| Item | Size | D | H | L |
| Ball Knobs | M5 | 20 | 18 | 12 |
| Ball Knobs | M6 | 20, 25 | 18 | 14 |
| Ball Knobs | M8 | 25, 32 | 22.5 | 16 |
| Ball Knobs | M10 | 32, 40 | 29 | 20 |
| Ball Knobs | M12 | 40, 50 | 36 | 25 |
| Ball Knobs | M16 | 50 | 45 | 32 |