• Sizes: 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19mm.
• 72-Tooth ratchet ring and gear set requiring only 5º rotation to pick up next ratchet tooth.
• Flexible ring head is ideal for awkward applications.
• 40Cr steel head,50BV30 ratchet ring， flexible, double end, ratchet spanner set.
• 72-Tooth ratchet ring and gear set requiring only 5º rotation to pick up next ratchet tooth.
• Flexible ring head is ideal for awkward applications.6pc Flexi-Head Double End Ratchet Ring Spanner Set - Metric