Base profile
The size of the main parts of the table base in a section, in other words, the thickness of these parts. A larger profile, on the one hand, has a positive effect on strength and massiveness (see "Weight"), on the other hand, it affects the cost. Manufacturers select this parameter in such a way that the base can at least normally withstand the weight of the countertop; and since advanced models are equipped with thick and, accordingly, heavy countertops, their base must also be strong. This means that a large profile is often (though not always) a sign of a high-quality table.
Edging height
The size of the edging (usually metal) attached to the edge of the table is the size in height, taking into account that the table is unfolded.
The edging provides protection to the tabletop, protecting its edges from chips and cracks when in contact with surrounding objects (for example, when transporting through a narrow doorway). In general, the size of the edging is a purely reference parameter — usually, it significantly exceeds the thickness of the countertop, which is quite enough to perform the main function.
Design
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Anti-reflective coating. A special coating that reduces the ability of the tabletop to reflect light and, accordingly, reduces the amount of glare that hits the eyes and creates discomfort when playing. This feature will be useful both for all-weather tables and for indoor use (see "Type") — both natural and artificial lighting can cause glare.
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Net. To play table tennis by all rules, the net is mandatory. Thus, it is included in the delivery of most modern tennis tables. The advantage of a complete net over a separately purchased one is that it optimally fits a given table in terms of size and method of attachment.
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Adjustment of net tension. A system that allows you to change the degree of net tension. Typically, such adjustment is carried out by changing the inclination of the supports between which the net is stretched: when tilted outward, the distance between the supports increases and the tension increases while tilting inward, and vice versa. This feature is convenient because the nets can wear out and sag as they wear; by tightening such a net, you can restore its normal position. Of course, the net will have to be changed sooner or later anyway, however, adjusting the tension allows you to use it longer without replacement.
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Full folding. The ability to fold the table completely — usually, by
...raising both halves to a vertical position. This feature will be very useful for storage and transportation.
— One-sided folding. The ability to fold one half of the table, lift it to a vertical position, and leave the other half open. Such an opportunity is useful primarily for single training: the raised half of the table can act as a “rival”, from which the ball thrown over the net bounces.
— Height adjustment. The ability to change the height of the tabletop. It makes sense to look for a model with this function if children will play at the table — the standard height of 76 cm, prescribed in the official table tennis rules, may be too large for them.
— Transport rollers. Small wheels are designed to move the table from place to place. The weight of modern tennis tables can exceed 100 kg, and it would be difficult to carry such a structure on weight even by a group of people; even a person who is not distinguished by great strength can easily roll a table.
— The holder of balls and rackets. A device for storing balls and rackets, installed directly on the table. Provides additional convenience — players do not have to look for places for inventory that is not currently used. In addition, the design of the holder is optimized for balls and rackets and minimizes the risk of damage to them.
— Bump compensator. A system designed to keep the table stable on a surface with small irregularities, such as a wooden floor or lawn. The principle of operation of such a system is that each leg can be individually adjusted in height within a few centimetres. This allows you to set the height of the legs in such a way that they all make secure contact with the support. Using the built-in compensator is easier and more convenient than looking for impromptu stands for individual legs.
