Bessey GK15 GearKlamp transmission clamp GK 150/60 , BE207412 - Ideal for clamping in cramped spaces. Fully enclosed gear train to keep dust and debris out. Quick-release shift button to quickly adjust sliding bar. High-quality two-component plastic handle positioned around the rail. Intelligent design, The first clamp of it's kind easily reaches places that were once difficult or impossible to access. Patented mechanism separates spindle from handle for greater clearance. The unique mechanism allows the handle to be offset from the point of contact. This creates the possibility of reaching "intoÓ confined spaces to achieve clamping solutions. Fully enclosed mechanism is protected from dust and debris.