Bessey STC-S-MFT Systainer Clamping Kit Key Features: Multifunctional systainer box ideal for professionals with wooden fixture incl. 13/16"-hole (20 mm)and 3 alternative clamping options Items included: 4 x STC-HH50 Horizontal toggle clamps with horizontal base plate STC-HH, 40mm opening, 35mm automatic adjustment, 2,500N clamping force 2 x STC-IHH25 Push/pull clamp with horizontal base plate STC-HH, 35mm opening, 13mm automatic adjustment, 2500N clamping force 6 x STC-SET-T20 Adapters for toggle clamps (1 x Knurled nut M8, 1 x Cylindrical screw DIN912 M8 x 35, 1 x Lock pin D20x17) 2 x GTR12 All-steel table clamp GTR, 120mm opening, 60mm throat depth, 13.5 x 6.5mm rail