To DSLR RIG DIYers, Most of DIYers buy parts / accessaries from different sellers, even make it themselves, Different screw knobs / nuts were used, Red, blue, black ....
Make your rigs more professional, with the well-made M4, M5, M6 screw knobs. Unify your setup with same color screw knobs now.
Compatible with most of RJ accessaries (Follow Focus, Rod clamp, Matte box, Base plate....).
update the screw knob, now the screw knob is well made of Aluminium, 12.9 grade screw used, stronger and durable,according to friends' feedback, we
For rod support / rail system, .
Anodized black finish
