SIMMF21A
Snap-on 1/2" 6角 21mm Flank Drive® 薄壁加長衝擊套筒
• 套筒比標準薄壁套筒薄 34%
• 用於接觸長螺柱和其他難以接觸區域的螺母
• 非常適合輪轂
• 工業表面處理有助於防止腐蝕

| Dimension C, Bolt Clearance Depth, mm | 50.8 |
| Dimension B, Drive End Dia., mm | 30.2 |
| Country of Origin | USA |
| Size, mm | 22 |
| Dimension E, Opening Depth, mm | 20.8 |
| Dimension D, Length, mm | 76.2 |
| Dimension A, Socket End Dia., mm | 30.2 |
| Finish | Industrial Finish |
| Style | 6-Point |