Adjusting rings light range, without set screw
BN 866
Standard
                        VSM 15210 (Standard withdrawn)
                    Features
| Material | 
            Material
            Steel
 | 
| Surface | 
            Surface
            plain
 | 
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Assembly notice
For new construction, we recommend adjusting rings according to DIN 705 A: BN 868 / BN 1631