Thunder Tiger One Way Clutch for Raptor 30/50 Helicopters Manufactured from high quality materials and designed for long lasting performance Use Thunder Tiger replacement parts and aftermarket accessories to get the winning edge! Direct OEM parts for a guaranteed fit and finish FEATURES: Metal construction Silver in color Pre-installed clutch bearing INCUDES: One One-way clutch Four M3x12mm socket screws REQUIRES: Installation onto helicopter lmm 10.27.10 ir/jxs