This item is a pack of 200pcs heat shrink tubes. It is used to protect and insulate wiring. It is a fast, safe, secure way to wrap wiring harnesses with this heat shrink tube. It is of flat shape and easy to cut. used in marine and automobile applications Features -Note: Random Color of the box - ColorAssorted Color - Material: Plastic. - Size: - Red connector: Suits cable/ wire sizes 0.5-1.5mm2 18-22 AWG (90PCS) - Blue connector: Suits cable/ wire sizes 1.5-2.5mm2 16-14 AWG (90PCS) - Yellow connector: Suits cable/ wire sizes 4.0-6.0mm2 12-10 AWG (20PCS) - Insulated crimp terminals which is of flat shape and easy to cut - It is used to protect and insulate wiring.Can be used in marine and automobile applications - It is a fast, safe, secure way to wrap wiring harnesses with this heat shrink tube - For best results use a hot air until it reduces in size and the adhesive flows, filling gaps within the terminal - in a plastic case for easy access and carry Package list: 90 x Connector HSC-1 (Red) 90 x Connector HSC-2 (Blue) 20 x Connector HSC-3 (Yellow) 1 x Plastic Box