BESSEY DUO30-8 Duo Klamp DUO 300/85 One Handed clamp, BE106642 BESSEY DUO45-8 Duo Klamp DUO 450/85 One Handed clamp, BE106650 BESSEY DUO65-8 Duo Klamp DUO 650/85 One Handed clamp, BE106669 Clamping force up to 1,200 N. Change from clamping to spreading by switching, not converting. Handle with pump lever parallel to the rail. Convenient one-handed operation, with little effort required. All-round clamping – in front of, behind and at the side of the rail. Reversing, Don't disassemble the clamp – JUST TURN THE KNOB! The practical turning knob allows you to switch easily at any time from clamping to spreading. Parallel handle with pump lever, The ergonomically shaped handle with pump lever runs parallel to the rail. That way, balanced, safe handling is .