Pinion Crank central screw 4 pcs.

Screw shaft m4x72mm (4 pcs)

Step screw m4x11mm (4 pcs)

1. The surface is smooth and clean the surface is metallic strong and beautiful2. The force is uniform the thread is clear and accurate and it is not easy to slip during the process3. Aluminum alloy material not easy to rust4. A variety of specifications wide applicability5. Material: aluminum alloy6. Application: suitable for all kinds of photographic equipment7. Process: fully CNC machining oxidized black8. Weight: A18/A20/A29/A30 is about 6.6 g/piece A19/A31 is about 6.5 g/piece A21 is about 7 g/piece A22 is about 7.3 g/piece A23 is about 8.6 g/piece A24 is about 2.7 G/piece A25 is about 2.6 g/piece A26 is about 2.9 g/piece A27 is about 3.4 g/piece A28 is about 3.6 g/piece A18 is about 6.6 g/piece A32 is about 6 g/piece A33 is about 5.3 g /Piece