Threads : Brass Moulding Brass Inserts Moulding Inserts plastic moulding inserts injection moulding inserts ABS Moulding Inserts PP Moulding Inserts UPVC moulding Inserts CVPC Moulding Inserts Rubber Moulding Inserts Plastic Moulding Inserts are with ISO METRIC, BSW, BSP, BSPT, UNC, UNF, NPT, NPS etc. Length / Size : 1/8" to 3/4" and 3mm to 20mm