Inquiry (采购产品): Levelers I have a patent and I have a need for levelers that will be used as clamping devices in my prototypes. Specifications: Thread Size: 1/4 x 20 Total Length 3 1/2" Base 1" **** Hidden Message ***** Alfred Edinger 08755 Company: AREGEE Services E-mail: al_e@verizon.net **** Hidden Message ***** al_e@verizon.net