# Rule 2.2 Ball (USHA Four-Wall Rules, September 2020, historical)

> **Historical rulebook: not the current rules.** The current rules are here: https://handball.theperfectship.com/rules/four-wall/

USHA rules text used with permission of the U.S. Handball Association (ushandball.org); credit: U.S. Handball Association. Source: https://www.ushandball.org/

## A. 

Only USHA official balls shall be used in all USHA events.

## B. Current Specifications

USHA balls:

1) Material. The material should be rubber or synthetic material.

2) Color. Color is optional.

3) Size. 1 and 7/8-inch diameter, with a variation of 1/32-inch, plus or minus.

4) Weight. The ball shall be 61 grams, with a variation of 3 grams, plus or minus. White label and big balls can weigh less.

5) Rebound. Rebound from free fall, 70-inch drop to a hardwood floor is 48 to 52 inches at a temperature of 68 degrees F.

6) Selection. A ball should be approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee’s decision, he should honor requests when made by both sides or when he detects erratic bounces.

## C. Other specifications

A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank.

## Mentioned here

- [Referee](https://handball.theperfectship.com/match-referee.md)
- [Ball](https://handball.theperfectship.com/ball.md)
- [Game, match, tiebreaker](https://handball.theperfectship.com/game.md)
- [USHA](https://handball.theperfectship.com/usha.md)
- [Floor](https://handball.theperfectship.com/floor.md)

How this rule changed: [wording in every rulebook](https://handball.theperfectship.com/rulebooks/clause-history/code-fourwall-american/2-2.md)

## Relationships

- Referee relates to Ball: mentioned together in 16 sub-rules.
- Referee relates to Game, match, tiebreaker: mentioned together in 8 sub-rules.
- Referee relates to USHA: mentioned together in 5 sub-rules.
- Referee relates to Floor: mentioned together in 4 sub-rules.
- Ball relates to USHA: mentioned together in 4 sub-rules.
- Ball relates to Floor: mentioned together in 9 sub-rules.
- 2 weaker links (terms mentioned together in few sub-rules) are not drawn.

Rulebook: [USHA Four-Wall Rules, September 2020](https://handball.theperfectship.com/rulebooks/usha-fourwall-2020-09.md)

Source: Four-Wall Rulebook (Wayback capture 20200921100628 of ushandball.org). USHA rules text, used with the USHA's written permission (letter not yet filed).