Description Double Acting Spring Hinges 3000 Series 3024S-6CLAMP FLANGE ANSI K81111 BOX CLAMP DOOR FLANGE IS ATTACHED TO DOOR USING THRU BOLTS AND NUTS JAMB FLANGE IS SURFACE APPLIED TO JAMB STEEL MATERIAL NON-TEMPLATE NON-HANDED CLAMP FLANGES ARE NOT ADJUSTABLE, DOOR THICKNESS MUST BE INCLUDED ON ORDER PACKED WITH THRU BOLTS AND MACHINE SCREWS