The Durablock AF4404, Round Block is designed to sand and block highly curved surfaces.
Durablock AF4410, Marine Block
Durablock AF4409, Long Block
Bender Tool Die for WFB2 WFPB1000 Tubing 1-5/8" OD 5" Round Block Set
Durablock AF4406, Tear Drop Block
Durablock AF4403, Full Size Block
Durablock AF44A, 6 Piece DuraBlock Sanding Kit