2 18X21 double ring spanner, UD profile, 18x21 mm

• Width across flats: 18 × 21 mm
• Ring profile: UNIT-DRIVE
• Chrome-plated finish

Technical Data

• Width across flats: 18 mm
• Width across flats 2: 21 mm
• Ring profile: UNIT-DRIVE
• Surface: chrome‑plated
• Material: Chrome‑vanadium steel 31CrV3
• Total length: 295 mm
• Total width: 30 mm
• Total height: 36 mm
• Weight: 0.72 lb (0.327 kg)
• Nominal length: 285 mm
• Nominal width: 30 mm
• Nominal height: 36 mm
• Width of head 1: 27.0 mm
• Head height 1: 12.6 mm
• Standard: DIN 838 ISO 3310 ISO 1085 ISO 10104
• Ring offset: 5°
• Height of offset 1: 31 mm
• Width of head 2: 31.1 mm
• Head height 2: 13.4 mm
• EAN/UPC: 4010886602577