UNI step spanner set

• Chrome-vanadium-steel
• Square drive 1/2″
• With cam, hexagon socket and 12-edge drive, sizes 3/8″; 1/2″; 3/4″; 1″
• Further intermediate sizes for the assembly and disassembly of heater valve nipples and lockshields as well as for short extension pieces

Supplied: 1 push-through ratchet with reversible ratchet R/L, 1 UNI step spanner.