The JKB SGKHP brick and block clamp is basically the same as the SGK model except that it features an additional switchable function adjustment that allows the clamp width to be controlled from the elevated operating position of the truck-mounted crane.

This is ingeniously switched using the rotation function of the hydraulic rotator on your crane. Your operator therefore no longer needs to set the clamp width directly by hand.

Four short pins are secured by cylinders in the standard width adjustment positions so the upper part of the clamp can be made wider or narrower. The SGKHP brick and block clamp features parallel guides as standard.

Find our standard clamp sizes in the product description below. Non-standard clamp dimensions can be discussed.

Download the free JKB brochure and discover all the possibilities our attachments and attachment fittings offer


Why choose JKB:

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

Download brochure JKB Handling

Download brochure
JKB Handling


  • The characteristic red clamp cylinder combined with the clamping arm leverage and black rubber pads that are fitted as standard result in a high gripping force.
  • Load-holding valve prevents a reduction in clamping pressure if there is a drop in control pressure;
  • Two hydraulic hoses with standard JKB 1/2” quick couplers (male);
  • Slimline tapered clamping arms and low dead weight through the use of special steel;
  • Patented switch function integrated into the clamp suspension, allowing the width to be adjusted hydraulically without having to modify the crane, by using just the rotation function;
  • Easy-to-operate width setting provided by clamp adjustment pins that can be moved in and out hydraulically;
  • A large range of (EV&DV) extensions and accessoires can be fitted to the lower grab beam;
  • Long service life due to low-maintenance construction;
  • Parallel guides for symmetrical movement of clamping arms;
  • Suspension suitable for shaft rotators combined with optional JKB lower rotator link;

TypeWidth adjustment (mm)Length (mm)Internal height (mm)Weight (kg)
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