Cassette roller blinds are a roller blind which can be locked precisely in any required position for use in slanted windows, skylights and standard windows. The system can be used for sunscreen fabrics and block out blinds. The use of the cassette ensures that the fabric runs accurately in the side channels.The prime advantage of the system is the ability to lock the blind in position and to have complete light control. With cassette rollers the fabric will always be tensioned between the roller tube and the bottom rail, additionally the blind is very easy to fix with the minimum of tools. There are varied sizes of cassettes available depending on the square meterage of window to be covered. Cassette roller blinds can be hand operated or chain driven for larger windows. Photos provided are from a fitting completed by blind design.