This universal set fits on all UFS frames(including Sago Frames), which could help to fix your UFS frames(frames of aggressive skates frames, or frames like Wizard Frames) to normal hi-low mounting boots(Urban skates like Rollerblade, Flying Eagle, FR, etc.)
Package includes: - 2 rear blocks - 4 washers(2 rubber+ 2 metal ones) - 2 short mounting bolts （16mm length, choose M6 or M8） - 2 long mountingbolts（25mm length, choose M6, M7or M8）
Remark: M6 bolts go with most boots in the market(Rollerblade, Powerslide, etc.) M7 Bolts go with Flying EagleF7 Optimum and Drift1, Drift 2. M8 bolts go with Flying Eagle F5s Eclipse, F4 Raven, F6s Falcon, F3s Origami, F1s Mantra, and SEBA Brand FR Bolts go for FR brands (5/16 inch)
