Self-Locking with Four Double Walls with Flanged Base -Locking Flaps with Fold-Over Expansion Piece B32.02.00.00 Self-Locking with Four Double Walls with Flanged Base -Locking Flaps with Fold-Over Expansion Piece B32.02.00.00 Production Team2021-05-18T21:55:20+08:00 ECMA B32.02.00.00 Self-Locking with Four Double Walls with Flanged Base -Locking Flaps with Fold-Over Expansion Piece