Soft-grip handle is larger and more ergonomic, allowing high clamping pressure with less effort. I-beam bar reduces flexing and bowing. Larger clutch plates allow for easier release and increase durability and dependability. 3" throat depth accommodates a variety of projects. No. 223106: 6" No. 223112: 12" No. 223118: 18" No. 223124: 24" No. 223130: 30" No. 223136: 36"