AGS MZ-2 6 Gram Extra Fine Graphite Lubricant

WidgetCo #1 Rubber Stoppers, Rubber Plugs, Tapered, Industrial Grade (Qty 1000)

uxcell 1 Pcs White Silicone Solid Rubber Stoppers, Tapered Plugs Lab Seal Tube Stopper Plugs for Drainpipe Sinks Industry and Laboratories, 51mm to 62mm Dia

YOKIVE 15Pcs Silicone Rubber Stoppers, Tapered Plugs with High-Temperature Resistance | Protect Hole, Great for Lab Industry (White, 13/6-Inch to 23/64-Inch)

uxcell 8 Pcs 1-Hole Rubber Stopper, Tapered Lab Seal Tube Stopper Plug for Test Tube Flasks Glass Containers Industry and Laboratories, 23.5x18x25mm Black

uxcell 2Pcs Solid Rubber Stoppers, White 13# Tapered Lab Plugs Lab Seal Tube Stopper Plug for Industry and Laboratories, 68x55x38mm

YOKIVE 5Pcs Rubber Stoppers, Tapered Plugs with High-Temperature Resistance | Protect Hole, Great for Lab Industry (Black, 14mm to 19mm)

YOKIVE 3Pcs Rubber Stoppers, Tapered Plugs with High-Temperature Resistance | Protect Hole, Great for Lab Industry (Black, 48mm to 56mm)

WidgetCo #11 Rubber Stoppers, Rubber Plugs, Tapered, Industrial Grade with 2 holes (Qty 1)