Answer: shims

AnswerCrossword Clue
SHIMSLeveling strips
shimsSHIM, to adjust by using a thin strip of metal or wood
shimsto fill out or bring to a level by inserting a shim or shims
shimsthin slip or wedge of metal, wood, etc., for driving into crevices, as between machine parts to compensate for wear, or beneath bedplates, large stones, etc., to level them
SHIMSLevels
SHIMSCarpenter's wooden wedges
SHIMSCarpenters' levelers
SHIMSWedged fillers
SHIMSWedges
SHIMSWedges or washers, perhaps
SHIMSWedge-shaped inserts
SHIMSAdjusts with a wedge
SHIMSWedge-shaped pieces
SHIMSThin wedges
SHIMSLevels, in a way
SHIMSWedgelike pieces
SHIMSLeveling wedges.
SHIMSLeveling stones.
SHIMSWedges of wood, metal, etc.
SHIMSWedge-shaped pieces for leveling.
SHIMSWooden wedges
SHIMSLeveling devices
SHIMSLevelers
SHIMSYou can level with them
SHIMSLeveling tools
SHIMSStrips for leveling
SHIMSLeveling wedges
SHIMSGap-filling wedges