Unior 183/2 Flare Nut Spanner

The Unior 183/2 open ring spanner is a workshop tool for bike maintenance when you need a robust double-ended spanner. It has two openings, 8 and 10 mm.

• Two sizes in one tool: 8 and 10 mm, so you have fewer spanners to carry
• Premium chrome-vanadium steel, designed for frequent workshop use
• Forged and fully hardened and tempered for a solid construction
• Chrome plating to ISO 1456:2009 to protect the surface from rust
• This version is 8 x 10 mm: check your nut sizes before ordering

Technical specifications

• Model: 183/2
• Dimensions: 8 x 10 mm
• Material: Premium chrome-vanadium steel
• Manufacturing process: Forged, fully hardened and tempered
• Surface treatment: Chrome plating to ISO 1456:2009
• Manufacturer: Unior Kovaška industrija d.d., Zreče, Slovenia

Unior was founded in 1919 in Zreče, in present-day Slovenia, where it is still based. For bicycle care, it makes tools, repair stands and wheel equipment. Its name, adopted in the 1970s, comes from the expression “universal tools” and reflects its roots in metalworking.