TS1:

Topo Shoe for Prism Pole

Made of aluminum

3.37” in length

0.34 lb (0.15 kg) weight

Fits most poles

TS2:

Topographic Shoe Wide Base 

Made from top quality steel

Fits prism poles and GPS rover rods

2.5-inch diameter 

3.5-inch height

5/8 x 11 thread