Wood Floor Spacer Capacity 5 to 20mm Size 89mm Jaw Width Construction Glass Filled Nylon Characteristics Distance To Wall Can Be Set By Turning Red Dial To Remove Rotate Dial To Release Pressure Avoids Pressure Points Does Not Slip or Tilt Exact Millimeter Scale Impact And Break Resistant Application For Laying Solid Wood And Laminate Flooring Without Any Wedges Insert Between Wall and First Row of Flooring