Ceremonial maces in the United Kingdom carried by the Yeoman Usher of the Black Rod and placed behind the Lord Speaker on the Woolsack before the House sits. All members are required to bow their heads to the mace upon entering the chamber. It is absent when the monarch delivers his or her speech from the throne at State Openings of Parliament. The other mace accompanies the Lord Chancellor on official duties outside the House of Lords. Mace A was made in the reign of Charles II , is long and weighs . Mace B was made in the reign of William III and Mary II
House of Lords When the House of Lords resolves itself into committee (see below), the Chairman of Committees or a Deputy Chairman of Committees presides, not from the Woolsack, but from a chair at the Table of the House. The presiding officer has little power compared to the Speaker of the House of Commons. He or she only acts as the mouthpiece of the House, performing duties such as announcing the results of votes. This is because, unlike in the House of Commons where all statements are directed to "Mr/Madam Speaker", in the House of Lords they are directed to "My Lords"; i.e.,