0149 - Automatic Flush Bolt without Dust Proof Keep Application Suitable for double action doors and single action doors, hinged left and right Suitable for doors from 40mm to 50mm thick Automatic retraction and extensions of top and bottom bolts on opening and closing of active door leaf Dust Proof keep available as optional extra (YCS80SC) 11kg closing force required to drive top and bottom bolts Specification Finish SS (Brushed Stainless Steel) Standards Get in touch Contact us You may also be interested in the following products: 8052 - Flush boltSuitable for timber doors from 40mm to 50mm thick AL8208-AS - Flush BoltSuitable for timber doors from 40mm to 50mm thick