KPS
KPS NT30 Compact Ball Head
$ 139.90
Professional Quality KPS Compact Ball Head
Ball Diameter: 30mm
KPS M20 Slim Plate is included (with ball heads with KPS clamp)
NT30 uses M6 screw for mounting clamps. So, the BYOC (i.e., no clamp) version has M6 screw mounting thread. M6 screw is provided.