No. 25   No. 25 夾鉗(專利產(chǎn)品)   Patented holder 圓柱形底部的快速抓握，帶隔熱保護手柄及銅制鉗夾。   for quick - clamping of cylindrical feet, with insulated handle and brass clamping jaws. No. 25/1   No. 25/1 夾鉗(專利產(chǎn)品)   Patented holder 錐形燒瓶及大口杯等玻璃制品的快速夾鉗，帶塑膠隔熱手柄及銅制夾口。   for quick - clamping of Erlenmeyer flasks and other glassware (beakers), with plastic - insulated handle and brass clamping jaws. 規(guī)格/Size a b c   直徑 (mm) 20 - 60 50 – 100 100 - 150