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Queen Screw Jack Base Plate is made of steel, and is primarily used when setting scaffold up on even surfaces. This screw jack easily adjusts up & down to designed height.

Queen Swivel Base Jack is made of steel, and is primarily used when setting scaffold up on even surfaces. This screw jack easily adjusts up & down to designed height.

A keystone jack is a female connector used in data communications, particularly local area networks (LANs). The jack is usually mounted in a wall plate or patch panel. A keystone plug is the matching male connector, usually attached to the end of a cable or cord.

A patch panel is a device or unit featuring a number of jacks, usually of the same or similar type, for the use of connecting and routing circuits for monitoring, interconnecting, and testing circuits in a convenient, flexible manner. Patch panels are also referred to as patch bays, patch fields or jack fields. We offer commonly patch panels used in computer networking, recording studios, telephone, and television.

When the inflatable rubber fender is leaking, we usually have to do the following treatment. To find a place to support the jack, pressure is required to reach 8 to 16 kg per square centimeter (for example, the length of 50 cm width 15 cm is required to pressurize 6 tons to 12 tons), deflate the fender that needs to be mended, the repair place is flat, polished, and the glue is evenly painted, the cord of the three layers is glued to the vertical paste and compacted.