model	size(mm)	price	number
ST500-12	12.5*40	$1.6/pc	50/box
ST500-15	15.5*36	$1.6/pc	50/box
ST500-18	18.5*30	$2.1/pc	32/box
ST500-19	18.5*40	$2.2/pc	24/box
ST500-20	20.5*40	$2.2/pc	24/box
ST500-22	22.5*40	$2.42/pc	20/box
ST500-27	27*24	$2.42/pc	20/box
ST500-32	32*24	$3.83/pc	15/box

Note: we can produce different size as your requirement

Our main products are laboratory jacks, test tube rack, borer sets, universal clip, crucible tongs, retort stand base, PTEE muddler, asbestosgauze, tube brush, magnetic stir bar and etc. our products have sold to more than 40 cities and also be exported to abroad.