uxcell Round Die Stock Handle Wrench Set, 1/2-28 UNEF Threading Die and 38mm (1-1/2") Die Holder (Fits: 26mm-38mm OD Die / M12-M16 Thread Die) Adjustable for Bolt Thread Repair : Amazon.co.uk: DIY
MichaelPro MP001217 7-Piece Double Ring Spanner Set, Black Oxide Bolt Extractor Offset Spanner Set, Offset Spanner, Ring Spanner, Swan Neck Ring Spanner Set, Offset Ring Spanner Set, Metric : Amazon.co.uk: DIY &
CCW-5 Crank Bolt Wrench | Park Tool
BOLT EXTRACTOR 45º DOUBLE RING OFFSET WRENCH AWT-RDMK02