Nº1 IN GERMANY: Quality Engineering with many years of experience in anti-theft locks for vehicles selected by the German magazine Autobild as the best in quality-price. Buying the KRASER brand you count on quality products and a nearby service for good assistance now and in the future. UNIVERSAL: The security ground anchor can be combined with all kinds of bike U locks, motorycle chain locks and bike cable locks. We recommend to use it with the approved mini U chain lock KR50+120L. HIGH SECURITY: With 2 metal expanding anchors to ensure the anchor can withstand very high levels of force. It can be installed in solid concreate walls and floors using the included stainless steel anchors. Extra Security Tip: When using a thick chain lock the anchor bolts will remain covered. DURABLE: Ground anchor made of strong steel against theft attacks, shears, saws, hammers, drills... With a durable finish, coated with a special paint against scratch and oxidation. STEEL: Concrete floor anchor made of high-strength steel and 5mm thick for motorcycle and bike security combined with U-locks and chains in garages, basements, private car parks indoors or outdoors.