Over-size centre bubble ensures clear and easy reading.| Dual line on bubble for 1° slope feature, great for setting/measuring runoff.| Double milled surface ensures accuracy.| 3 Vials 1 x 180° and 2 x 90°.| Highly accurate with 0.5mm/m accuracy.| The hanging hole has a “no slide” feature which protects the face of the level and prevents sliding.| Dual colour rubber grips for control and comfort.| Rubber and caps protect the level against damage from bumps and drops.| Includes nylon carry bag to protect the level.