An outstanding combination of hard maple legs with fiberglass dowels makes this the most versatile tripod on the market. The 60-WDF20's fiberglass dowels are unique due to their structural plastic polystyrene core, and will not shrink or swell under changing temperatures. Also has the quick clamp design for the easiest and fastest set up. Has 5/8-11 thread along with flat head for setting up lasers and auto levels. Built in poly webbing shoulder strap for easy transporting.