18MM MAGNETIC SCREW CAP SILICONE/PTFE 3MM 100PCS (100/pk)
https://www.knockoutrat.org/shop/rw2-1030-72020-18mm-magnetic-screw-cap-silicone-ptfe-3mm-100pcs-100-pk-313079
https://www.knockoutrat.org/web/image/product.template/313079/image_1920?unique=07fba14
This 18MM is guaranteed a 18MM with the use of SILICONE/PTFE and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days