Lifts the LVP plank to the angle where it can be tapped and locked tight. Large upper plastic block contacts just below the face of the plank, while a lower plastic contact plate slides out to contact the core. Comes with three 1mm shims and two 3mm shims. Works on planks and tiles up to 10mm thick. Extra shims sold separately for thicker LVP/LVT. Extra contact plates also sold separately. Net weight: 1.84 lb.