The HK DUO brick and block clamp is typically used with medium to large-sized forklifts.
With its two clamping cylinders, this clamp has a greater clamping force than single-cylinder models, making it suitable for picking up even the most difficult products.

The tapered clamping arms are fitted with six, seven or eight vertical beams and four pivot points.
Truly heavy-duty application for a demanding production environment. Extremely stable and robust. The  clamp is fitted with a single row of black clamping pads as standard. On request it can also be fitted with a double row of pads or sprung steel slats.
These steel slats or removable paver plates in combination with standard pads ensure that in most cases even unbundled packs of bricks can be picked up.
White PU clamping pads can also be fitted to them so as not to leave any black marks on smooth aesthetic concrete elements.

Benefits of the JKB HK DUO brick and block clamp:

  • Robust construction
  • Extremely high clamping force generated by two cylinders.
  • Extremely stable clamping
  • Can lift a wide variety of products.

Download the JKB brochure for free and contact one of our sales specialists for more information

Why choose JKB:

  • Quality, reliability and safety
  • Innovation and sustainability
  • Expertise and customization

Download brochure JKB Handling

Download brochure
JKB Handling


There are various ways of attaching the clamp to the forklift, each with its own advantages. It can be attached using:

  • Fork sleeves
  • FEM/ISO crane arm
  • Integrated crane arm

Depending on the selected suspension, we can increase the functionality of the clamp still further to allow:

  • Rotating
  • Side shifting
  • Telescoping
  • Hydraulic width adjustment:
    I. DUOHP: Adjustment using cylinder with short pins (depending on gap positions)
    II. DUOTR: Stepless width adjustment using screw spindle and hydraulic motor
    III. DUOPV: Stepless width adjustment by direct control of width adjustment cylinders

Capacity: 3,500 kg
Max operating pressure: 140 bar / 14 MPa (opening/closing)

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