80AS levels have easy to grip profiles with reinforcing ribs and anti-slip rubber end caps to protect against impact. The 81S level is compact and tough, with a cast aluminium profile. Suitable for measuring in reverse position. Easy to clean electrostatic powder coating also protects delicate surfaces. Highly-transparent, hardwearing acrylic glass vials with precision-ground inner contours and fluorescent vial liquid.Supplied in a carry bag.