Pair of alloy bobbins.
Mount onto the swingarm thread mount and allow bikes to be lifted by the bobbin instead of the swingarm.
6mm thread - fits most Aprilia / Yamaha
8mm thread - fits most Ducati / Honda / Suzuki
10mm/1.50 thread - Kawasaki
The above is a guide only. Please check your model for fitment before ordering as they can vary.