What piece of sports equipment is described in section 1.10 (b) of the mlb official rules?

The bat is outlined in this section

1.00 Objectives of the Game, the Playing Field, Equipment.

2.00 Definition of Terms.

3.00 Game Preliminaries.

4.00 Starting and Ending the Game.

5.00 Putting the Ball in Play, Dead Ball and Live Ball (in Play).

6.00 The Batter.

7.00 The Runner.

8.00 The Pitcher.

9.00 The Umpire.

10.00 The Official Scorer.

Recodified, amended and adopted by Professional Baseball Playing Rules Committee at

New York, N.Y., December 21, 1949; amended at New York, N.Y., February 5, 1951;

Tampa, Fla., March 14, 1951; Chicago, Ill., March 3, 1952; New York, N.Y., November 4,

1953; New York, N.Y., December 8, 1954; Chicago, Ill., November 20, 1956; Tampa, Fla.,

March 30-31, 1961; Tampa, Fla., November 26, 1961; New York, N.Y., January 26, 1963;

San Diego, Calif., December 2, 1963; Houston, Tex., December 1, 1964; Columbus, Ohio.,

November 28, 1966; Pittsburgh, Pa., December 1, 1966; Mexico City, Mexico, November

27, 1967; San Francisco, Calif., December 3, 1968; New York, N.Y., January 31, 1969; Fort

Lauderdale, Fla., December 1, 1969; Los Angeles, Calif., November 30, 1970; Phoenix,

Ariz., November 29, 1971; St. Petersburg, Fla., March 23, 1972; Honolulu, Hawaii,

November 27, 1972; Houston, Tex., December 3 and 7, 1973; New Orleans, La., December

2, 1974; Hollywood, Fla., December 8, 1975; Los Angeles, Calif., December 6, 1976;

Honolulu, Hawaii, December 5, 1977; Orlando, Fla., December 4, 1978; Toronto, Ontario,

Canada, December 3, 1979; Dallas, Tex., December 8, 1980; Hollywood, Fla., December 7,

1981; Honolulu, Hawaii, December 5, 1982; Nashville, Tenn., December 5, 1983; New

York, N.Y., January 8, 1985; New York, N.Y., March 27, 1986; Hollywood, Fla.,

December 9, 1986; New York, N.Y., November 23, 1987; New York, N.Y., January 26,

1989; Chicago, Ill., December 3, 1990; Miami, Fla., December 5, 1991; Louisville, Ky.,

December 4, 1992; Atlanta, Ga., December 12, 1993; New York, N.Y., January 30, 1996;

Mail vote, January 2006; Teleconference, December 20, 2006; Teleconference, February 5,

2008; Las Vegas, Nev., December 9, 2008; Teleconference, May 26, 2009; Teleconference,January 25, 2010.

the answer to the question is "five to eight weeks after the test date"

answer:

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