• Heavy duty Aluminum frame with powder coated • Miled bottom for high accuracy • Accuracy: 0.5 mm/m • Three vial : 90 °,180°,45° • Larger solid acrylic vial • Dual view vial function for a true plumb reading • Shockproof end caps • Packing: shrink STOCK NO. SIZE QTY./CARTON 35231 40cm,16" 20 35233 60cm,24" 20 35234 80cm,32" 20 35235 100cm,40" 20 35236 120cm,48" 20 35237 150cm, 60" 20 35238 180cm, 72" 20 35239 200cm, 80" 20