Specifications:
The document provides specifications for Wintech swivel directional flag blocks, which are designed for floor or wall mounting. The blocks allow for a pivot of +/- 80 degrees from vertical, accommodating varying wire rope angles to the load. The specifications include model numbers, sheave diameters, wire rope sizes, safe working loads, and dimensions.

Model Specifications:
- SS-1: 6" sheave diameter, 1/2" wire rope size, 4,000 lbs safe working load.
- SS-2: 8" sheave diameter, 5/8" wire rope size, 8,000 lbs safe working load.
- SS-3: 10" sheave diameter, 3/4" wire rope size, 12,000 lbs safe working load.
- SS-4: 14" sheave diameter, 7/8" wire rope size, 20,000 lbs safe working load.

Standard Features:
- Cast or steel sheave with precision machined groove.
- Deep groove sealed ball bearings.
- Alloy steel sheave shaft.
- Fabricated steel upper frame with machined pivot trunnion.
- Bolt down base brackets with bronze bushings.
- Bolt down or weld down base.

Options Available:
- Greasable bronze sheave bearings.
- Stainless steel shaft and hardware.
- Nylatron synthetic sheave.
- Cable entry fairlead rollers.
- Customized configurations.

Additional Information:
The document notes that all specifications are subject to change without notice due to ongoing development. Users are responsible for ensuring the suitability of the products for their specific applications. The products are made in the USA, and contact information for Wintech is provided.