For clamping depths up to Ø 200 mm external, Ø 70-260 mm internal, and clamping reach up to 300 mm, In 3 of 4 spindles the spindle tip (ball/tip) can be rotated, Quick-release pulling legs with intregral T-profile for a better transmission of force, The forged leg feet are very slim particularly suitable for barely accessible places, 2 rigid extensions