The HMH SX is their newest vice. It is built on a fixed-angle frame but gives you the added versatility of the famous HMH interchangeable jaw system. We think the SX is excellent value for money, especially when it is guaranteed for life. Interchangeable jaw system for maximum versatility. Teflon-smooth full rotary action. Original HMH disc-drag rotary tension adjustment. Fast & easy one-handed operation. Precision-machined, stainless steel collet & adjusting knob. Heavy duty cam lever. Nickel-plated chassis/standrod (universal 3/8" diameter). Available in Pedestal Base or C Clamp. Lifetime guarantee.