insulate stringing pulley tackle block

This insulate sheave tackles are used in high electricity voltage line, for electrician workers protectivity.

The insulate wheels tackle is just for electricican working, lifting wights or stringing cbales when electricity is current,especially for high voltage line and high voltage devices.

Specifications:

1)The side plate of frame is OX glass fiber.

2)Wheel(sheave) is made from nylon 1010.

3)The surface of insulate plates are painted by insulate paint.

4)Hook assembled.

5)safety factor is more than 3 times.

6)Lasting voltage testing:AC 44KV/1min

Models: 

Model	Description for sheaves and hooks	Rated load(KN)	Weight(kg)
JH5-1B	1wheel,hook,close side	5	0.85
JH5-1K	1 wheel,hook,open side	5	0.90
JH5-2D	2 wheels,short leg hook	5	1.0
JH5-2J	2 wheels,long leg hook	5	1.15
JH5-3D	3 wheels,short leg hook	5	1.34
JH10-2D	2wheels,short leg hook	10	1.6
JH10-2C	2wheels,long leg hook	10	1.7
JH10-3D	3 wheels,short leg hook	10	1.8
JH10-3C	3wheels,long leg hook	10	1.9
JH15-4D	4wheels,short leg hook	15	2.4
JH15-4C	4wheels,long leg hook	15	2.5
JH20-4D	4wheels,short leg hook	20	2.6
JH20-4C	4wheels,long leg hook	20	2.8

The hook are different from the leg length, one type is short,the other is longer.