Allen Key Set 22/19/17/16/14/12mm Heavy Nickel Plating Hex Key Wrench Hex Allen Key Large Model High Torque Professional Allen Wrench Bit (Size : 17mm-1pcs) : Amazon.co.uk: DIY & Tools
17mm Allen Key Impact Socket, 3/4" Drive (for Lely Club Tine)
BONDHUS BL17 Ball End Hex Allen Key 17mm - L280mm, 15786