The Master Key is not included but can be requested with proof of purchase. The pull force values mentioned may vary if the security slots do not comply with the design standards specified by their respective manufacturers. Laptop Security Lock 50 x Keys 75 x Lock Spacer 25 x Hook-and-Loop Strap 25 x Quick-Start Guide Laptop Cable Lock Anchor:LTANCHOR Laptop Cable Lock Anchor:LTANCHORL Security Slot Adapter Kit:KSLTAD