STABILAS type 106 T Plate Levels are extendable spirit level tools. These levels have telescoping poles that adjust from 7 to 12 feet. STABILAS type 106 T Plate Levels feature strong multi-chamber aluminum frames with reinforcing ribs, bridged horizontal vials, extension poles with scales printed on both sides, removable stand-offs, very accurate matched vials that ensure both plumb readings are the same when leveling, ergonomic handles, and plastic end caps. Among other things, Plate Levels are great for plumbing walls.