M3 and M4 Screw Connecting Bolts with sleeves for Door Handle Roses, Knobs and Escutcheons. M3 and M4 SCREW CONNECTING BOLTS WITH SLEEVES FOR DOOR HANDLES, ROSES, KNOBS AND ESCUTCHEONS. Note: Both M3 and M4 screws are not security screws and therefore are not suitable for external door handles.
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