bristol knobbristol knob SelectQuantity*Add to QuoteSpecs Code Screw Size Centres Length Projection Bar Thickness Finish FIL1007BLK M4x22 28mm 28mm 21mm N/A matt black FIL1007BB M4x22 28mm 28mm 21mm N/A brushed brass FIL1007BN M4x22 28mm 28mm 21mm N/A brushed nickel