2022-05-27 / Last updated : 2022-05-27 310ex Product Why don’t you try weight saving?(SAIMA/310EX)Thank you for your corporation and patronage with SAIMA.Bolt and Screw themselves are not heavy each other, butthe equipment which consists by the many Bolts and Screws are very heavy.If you are worried about the product weight,why do not you consider the weight saving?The screw which are the best choice for weight saving isSAIMA Ultra Low Head Screw 310Slim!!Screw Head is extremely flat, so design will be very smart and sophisticated.Ultra Low Head Screw 310SlimIf you are interested in our product, please not hesitate to ask.