This Teng Tools 12 piece combination spanner set consists of spanners which have the same dimension at both ends. One end has an open head, and the other has a 12-point ring head, which is set at a 15 degree angle to increase ease of access to the fastening.

The spanners are manufactured from chrome vanadium steel for strength and durability and have a satin finish and polished heads. Manufactured to DIN3113A standards.

The TENTT1236 12 piece set contains the following spanner sizes:
8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm.

Supplied in a handy storage tray