Our extensive product ranges include HSS Drill Bits/SDS Drill Bits as well as Screw Drivers & Stanley Knives. The Schlosser Technik TCT Locksmith Drill Bits are one of the UK's best selling accessories and offer great quality for a low price. We also offer a range of UPVC Glazing and Window Glass Packers to suit. Please view our full range of Tools. Screws & Packers above.