

Chocks
Open Chocks | 9", 12" | Cast Steel
ModelUMC-485, UMC-489
Sinooutput offers several Open Chocks for any deck application. Our Open Chocks are available in two sizes, a 12″ and 16″ wide clear opening. All of Sinooutput’s Chocks are made from ASTM A27 cast steel and are built to withstand the toughest conditions.
- Models
- UMC-485 · UMC-489
- Part no.
- 07870-301A · 06242-301A
- Material
- ASTM A27-70-36 Cast Steel
- Category
- Chocks
Built to ABS standardsQuote within 48 hWorldwide shipping
Overview
Sinooutput offers several Open Chocks for any deck application. Our Open Chocks are available in two sizes, a 12″ and 16″ wide clear opening. All of Sinooutput’s Chocks are made from ASTM A27 cast steel and are built to withstand the toughest conditions.
Specifications
Dimensions in inches (mm)
| Model Number | Part Number | Description | Weight Total Lbs (Kgs.) |
|---|---|---|---|
| UMC-485 | 07870-301A | 9″ Open Chock | 176 (80) |
| UMC-489 | 06242-301A | 12″ Open Chock | 435 (197) |
Features
- Sinooutput’s Open Chocks are sold as cast with no surface paint or finish to maintain quick, easy and safe weld-ability to the deck of any barge or workboat.
Application
Open Chocks are primarily designed for guiding line or wire onto or around another deck fitting.
Material
- ASTM A27-70-36 Cast Steel
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- Phone+86 135 6478 0885
- WhatsApp / WeChat+86 135 6478 0885
- AddressNO.258 West Songxing Rd, Shanghai, China



