Supply Of Single Sleeve Pulley Block 3Single Sleeve Pulley Block 3,Single Sleeve Pully Block 3 1/2 X 1/2 Fiber Groove Fiber With Forged Swivel Hook For Drawal Of Contact/Catenary Wire. Make: Sste, Maxban, Iep,Venus Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] ] , Single Sleeve Pulley Block 3 1/2 Inch X1/2 Inch Groove Steel. The Complete Block Including He Ad Fitting Shall Withstand A Proof Load Equal To Twice The Safe Working Load (Swl) Capacity 2.0 Ton. Confirm To Is 1875-1992. Make- S.S.T, Iep, Or Similar (With Load Test Certificate From Govt. Lab). [ Warranty Period : 30 Months After The Date Of Delivery ] ]