Seco 91605 Point and 91601 Screw On Topo Shoe (Each sold seperately)
This used to be the Crain Manufacturing Topo Boot. It went on Crain's ultralite fiberglass prism pole 90280. The pole has been discontinued. It had a threaded place under the bubble to store the topo boot when not in use.
3.37 inch (85.6 mm) aluminum prism pole point with steel tip Weighs 0.01 lb (0.004 kg)
The TopoBoot®, made of black nylon, screws over the precision point and increases the area of the point for use on soft surfaces in topo shots
Weighs 0.05 lb (0.02 kg)