Amazon.com : VGEBY Bike Seat Post Fixed Bolts, M5x30/35/40mm Alloy Screw Bolt Bicycle Saddle Fixed Screw for Mountain Bicycle(Rainbow M5x30) Bike Seatpost Parts Bike Seat Clamp Bolts Bicycle Seat Post Assembly :
Saddle Bolts, M6 x 25 | Unicycle.com
PNW Components Saddle Clamp Bolt & Nut - Hood River Bike and Snowboard Shop | Mountain View Cycles
2Pcs M5*30/40MM Bike Seat Post Bolt Titanium Ti Bicycle Saddle Fixed Screws Set | eBay