Add to Cart Quick view 18mm Steel Magnetic Screw Cap, White PTFE/Translucent Silicone, 100-pk MSRP: Now: $75.00 Was: 18mm Steel Magnetic Screw Cap, White PTFE/Translucent Silicone, 100-pk Ibis Scientific steel magnetic screw caps are a cost effective alternative with the same quality of major manufacturers... 4570-305 MSRP: Now: $75.00 Was: Add to Cart Quick view Qty in Cart: 0 Order Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $75.00 Was: Subtotal: Add to Cart