Stainless Steel Ball Base w/Semi-circle Robotic Prism including Function button

including Function button

Accurate measurements can be made without moving the rod clamp

Alkaline - 90 hours Size 10

Durable: Prism is water and dust resistant

Weather cover for long protection from rain and snow and other adverse weather conditions

Stainless Steel Ball Base w/Semi-circle Robotic Prism including Function buttonThe 3490 35 Stainless Steel Ball Base w Semi circle contains: Ring marking with engraved ball diameter 1. 5 (38. 1 mm) and height offset 25mm With strong magnet (about 4 kg holding force to ball prism) Lower part exactly semi circular The base is placed on the corner edge and the ball prism is aligned with the tachymeter for measurement. With magnetic surfaces, the integrated permanent magnet ensures that the base sticks automatically to the measuring