... the safety of the operator.B: Pneumatic link locking device, locking secure, convenient, good precision.3automatic resetting, zero ... use cross-shaped driving micro adjusting device, spanner adjusting, adjusting convenient, locking automatically.3 Steel Anilox rollerA: ... -shaped driving micro adjusting device, spanner adjusting, dial showing, convenient adjusting, locking automatically.4 Stacker 1 Paper ...