SPM
D = 58 x 119 x 20T ( ID : 36mm )
D = 79x75x15mm(T) - (Inside: 45.5x39mm)
D = 41 x 74 x 22T
D = 110 x 20T ( Inside: 32.5 x 40mm )
SPM New Model, size: 23x12x4
BM133 SP-430S,430P,640P,850P Lower Diameter: 0.105 - 0.335