Hanging pockets have 5 holes in the header and a slot. The universal support slides into the slot and is for mesh boxes and walls up to 4 cm (not with flap, A7 or A4 landscape); the special retaining clamp goes through the outer holes and is ideal for A4 landscape; the mini clamp is only for A6 landscape and A5 portrait; the container clamp fits walls up to about 2 cm. For mesh boxes there are the Gripper hooks, for 28 to 30 mm tubes the Gripper Ø 28; for cartons and packaging, the metal clamp, plastic nails or U-clamp; for lasting fixing, plastic cable ties. The same accessories work for ESD pockets and the standard Outdoor pocket.