St arrett I-BEAM I-Beam cross section frame featuring large 360° vial sites to allow for maximum visibility and provide impact resistence. Red ABS plastic parts include impact resistant end caps. Fea tures • I-Beam cross section frame • Large 360° vial sites to allow for maximum visibility • Impact resistant end caps Aluminum Levels Cat. No. EDP Size in mm KLIS24-N 30724 24 24 KLIS48-N 30725 48 48 KLIS24-N 72 L evels New!