Listing is for one (1) Service Caster Series #20 swivel caster with a top lock brake and a 5" diameter by 1-1/4" wide polyolefin wheel capable of supporting 300 lbs. per caster. 3234199 replacement part fits Delfield Models 186114-BSTM, 186114-BUCM, 186114-PTBM, 18648-BUCM, 18648-PTB, 18648-PTBM, 18648-PTL, 18648B-BSTM, 18650-VD, 18660-BSTM, 18660-BUCM, 18660-PTBM, 18660BSTMP, 18672-BSTM, 18672-BUCM, 18672-PTBM, 18672-PTL, 18682-VD, 18691-BSTM, 18691-BUCM, 18691-PTBM, 18699-BSTM, 18699-BUC, 18699-BUCM, 18699-PTB, 18699-PTBM, 18699-PTL, 402, 403, 403-MD3, 406, 406-CA, 406-MD2-CP8, 406CA-DHL, 406P, 406P-DHL-MD2-CP2, 406P-MD1, 406P-MD2-CP2, 407, 407-CA, 407CA-DHL, 4427N, 4427N-6, 4427NM, 4432N, 4432N-12, 4432NM, 4448N, 4448N-8, 4448NM, 4460N, 4460N-12, 4460N-18M, 4460N-24M, 4460N-8, 4464N, 4464N-12, 4464N-16, 4464N-18M, 4464N-24M, 4464N-8, 4472N, 4472N-12, 4472N-18, 4472N-24M, 4472N-30M, D4427N, D4427N-12M, D4427N-6, D4427NM, D4432N, D4432N-12, D4432NM, D4448N, D4448N-8, D4448NM, D4460N