Tightening device designed for strong pressure on floorboards. Made from 30 x 30 mm metal section. It consists of a 670 mm main lever, a movable 135 mm beam to press down the board and a movable beam with pins for positioning on the joists. The beams are set on fi 10 steel pins, locked with washer-locked pins. The retractor is powder-coated. The ends of the sections are secured with plastic caps. 

• material: steel
• Length: 670 millimeters
• working angle: 45, 90˚
• pin spacing: 45 millimeters
• pin diameter: 26 millimeters