Brand：Chance
This blocks feature rope that is pre-installed for immediate use out of the box. The shells and sheaves are made of high dielectric, fiberfilled natural nylon. The shaft is of silicon bronze and the sheave bearings are oil impregnated bronze. Comes with 150' of 1/2" composite fiber braided rope. Dielectric Strength: Dielectric rating in dry weather is 30,000 volts between the bearing and the mounting bolt nut.
