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                    B6-21CS - 1.09 Inch Music Wire Extension Spring
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Regular extension spring in Music Wire. This spring features an O.D. of 0.25 Inch and an initial tension of 0.3 Pound.
                                
                    | Label | Value | 
|---|---|
| Brand | Century Spring | 
| Display Name | B6-21 | 
| Ends | Machine Hook | 
| Finish | None | 
| Initial Tension | 0.3 lb | 
| Length | 1.09 in | 
| Material | Music Wire | 
| Outside Diameter | 0.25 in | 
| Part Type | Standard | 
| Rate | 1.5 lbs/in | 
| SKU | B6-21CS | 
| Sugg Max Deflection | 1.9 in | 
| Sugg Max Load | 3.1 lbf | 
| Wire Diameter | 0.025 in | 
| Label | Value | 
|---|---|
| Brand | Century Spring | 
| Display Name | B6-21 | 
| Ends | Machine Hook | 
| Finish | None | 
| Initial Tension | 0.14 kg | 
| Length | 27.69 mm | 
| Material | Music Wire | 
| Outside Diameter | 6.35 mm | 
| Part Type | Standard | 
| Rate | 0.26 N/mm | 
| SKU | B6-21CS | 
| Sugg Max Deflection | 48.26 mm | 
| Sugg Max Load | 13.79 N | 
| Wire Diameter | 0.64 mm |