Preston Slip Connectors are manufactured to micro tolerences to ensure a perfect secure fit throughout their life. Colour coded to match Slip Elastic, Slip Connectors are available in two different sizes. Slip Micro is perfect for light and medium strength elastics up to a size 8 whilst the Slip Carp size will accomodate size 6 and above. Slip Extreme Connectors are similar to Preston Slip Connectors but have an almost flourescent colour to them. Available in six different colours the Micro Extreme Connector is designed for elastics up to a size 6. The Extra Carp are ultra strong and suitable for all strong elastics.