SpecificationsFinish: plating, anodizing, CNC knurling to ensure strength and anti-skid.Material: aluminum alloy + stainless steelColor: SilverLength of the M16 bolt: 250mm.Compatible: Fits the BB shells up to 135mm wide.Weight: 622g/ 1.37lb.Package includes:2 x handle1 x joint head2 x pressing1 x M16 bolt2 x gasket1 x stainless steel nutNotice:Please use the grease when installing, this could protect your headset or bottom bracket and do a lot helpful for your job.Farbetter has been committed to providing high-quality bicycle products. Have any questions, please contactus immediately so that we may resolve the issue for you.