SPACER CIRCULAR M4X3 PK25; Spacer Type:Round; Spacer Material:Nylon 6.6 (Polyamide 6.6); Outer Diameter:6.3mm; Inner Diameter:4.2mm; Overall Length:3mm; Product Range:-; SVHC:No SVHC (12-Jan-2017); Bore Size:4.2mm; Box Quantity:25; Clearance Screw Required:4BA/6.32UNC; External Diameter:6.5mm; External Length / Height:3mm; Height:3mm; Internal Diameter:4.3mm; Thread Size - Metric:M4