Extra quick release plates allow you to conveniently swap out more than one camera with the same tripod.Specifications:Type: Quick Release PlateMaterial: ABSBase Size: 35mm x 35mm / 1.38" x 1.38"Weight: 0.65ouncePlease check the compatibility list before ordering.Compatible tripod list :-Tar gus TG-P60T-Wal mart MX1000-S lik SDV-20, SDV-30, SDV-540, SDV-550, U5000, U5500, U6000, U6600, U7700, U8000, U9000, U873, U874 Tripods. DOES NOT INCLUDE LEVEL-Sun pak 2001UT (1st Generation Only that is a Rose Gold Color Tripod) PLEASE MEASURE as Sun pak has various models with different size headsSun pak 5800D, 7000TM, 7001TM Tripods/Monopods (DOES NOT INCLUDE LEVEL - Please measure as Sun pak has multiple variations on some of these tripods)-Sun pak 6400UT 6401UT 6601UT 6601TM 7001UT 8001UT Tripods - PLEASE MEASURE this model as Sun pak has various models with different size heads-Sun pak Ultra Pro 423 ONLY (DOES NOT FIT Pro 423px) Ultra Pro 777, Ultra 7000 Tripods -Digital Concepts TR-60N Tripod (NEWER 2nd Generation ONLY, PLEASE MEASURE) Not for the Older TR-60N Tripod), the older TR-60N Tripod fits 44mm plate.-Quan taray QSX-2001, QSX-6001, QSX-6601, QSX-6601TM, QSX-6400, QSX-7000TM, QSX-7001, QSX-7500, QSX-8001, QSX-9001, QSX-9001UT, QSX-9002TM, T802255 Tripods/Monopods (Please measure as Quan taray has multiple variations on some of these tripods)