Brand - Star Type - Tool Holding Model - SRH-6-1 A - 151 B - 52 C max - 300 Opening size for capacity - C1 - 0-100 C2 - 100-200 C3 - 200-300 D - 750 E - 620 F - 82 G - 135 H - 19 I - 136 J - 190 K - 25 Max. clamp force (kgf) - 4500 G.W (kg) - 48 CFT (cm) - 68x24.5x16.5