00-M04-G0-19-04 System Zero | System Zero Plain Flange Button Stainless Steel Tamper Proof Security Screw, M4 x 19mm | 300-7723 | RS Components
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51 Piece Stainless Tamper Proof Number Plate Security Screw Kit & Driver Bit : Amazon.co.uk: DIY & Tools
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M10 x 25mm - Security Machine Screw Tamper Resistant Pin Hex Button Head - A2 Stainless Steel - Pack of 10 | Security Machine Screws
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