4pcs M5 Metal Screw Knob fr 15mm Rod Clamp Railblock Block Stabilizer DSLR Rig

Good news for 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. Compatible with most of RJ accessaries (Follow Focus, Rod clamp, Matte box, Base plate....). For rod support / rail system, . Anodized black finish