The Wurlitzer Magnetic Pick-Up Assembly # 34969 is part of the tone arm found in models700, 800, 750, 780, 750-E, 780-E, 850, 950, 1015 and 1080.

This listing is for only the Base Plate Assembly # 37606 as shown on page 33 of the 1015 Parts Catalog.

Buyer will get the 3 shown in the photos - one has been converted to accept a 1950s style crystal cartridge.

This piece came both in aluminum and in steel.  These 3 are aluminum. 
If tracking weight is a consideration each base weighs about 0.9 ounce.