Comparison : Item # 33351, Dial-O-Gram Triple Beam Mechanical Balances
Item # 33355, Dial-O-Gram Triple Beam Mechanical Balances
Item # 33353, Dial-O-Gram Triple Beam Mechanical Balances
Item # 33354, Dial-O-Gram Triple Beam Mechanical Balances
Item # 33362, Dial-O-Gram Triple Beam Mechanical Balances