Used to prevent leaks while working with air, plumbing, hydraulics and gas connections.

Specifications:

• 20pc x 3mm ID x 1mm
• 20pc x 4mm ID x 1mm
• 20pc x 4.5mm ID x 2mm
• 20pc x 6mm ID x 2mm
• 20pc x 6mm ID x 2.5mm
• 20pc x 6mm ID x 3mm
• 20pc x 7mm ID x 2mm
• 20pc x 8mm ID x 2mm
• 5pc x 9mm ID x 2mm
• 5pc x 10mm ID x 2mm
• 5pc x 12mm ID x 3mm
• 5pc x 13mm ID x 3mm
• 5pc x 14mm ID x 2mm
• 5pc x 17mm ID x 2.5mm
• 5pc x 18mm ID x 4mm
• 5pc x 20mm ID x 2mm
• 5pc x 22mm ID x 2mm