Suitable for clamping parts of same size or dissimilar size, HD and HDL Series Vises have quick change jaw feature and can perform first and secondary operations simultaneously. HDL models, delivering up to 7,460 lb of clamping force at 70 lb of torque, are designed on 80,000 psi ductile iron body with precision machined steel components and have full 4 in. opening in each station using standard hard jaw system. Manual model converts to hydraulic operation using conversion kit.