Our bite style fittings are made for pneumatic tubing of polyurethane, nylon, PTFE , or PVC. ROHS compliant fittings are available in brass or 303 stainless steel. Configurations are adapters, connectors, elbows, tees, and crosses. Threads of 6-32 to 3/8 NPT or 4MM to10MM. Made for tubing as small as 1/32 ID.