HART Resistance Tube with Safety Sleeve Black(X-Heavy) L1-Digital Technologies-L2-Robotics by Age Level-L3-Middle Primary Durable cotton-polyester cover that is

Durable cotton-polyester cover that is removable and machine washable

The work cards are colour-coded to indicate three levels of difficulty

especially in high-traffic areas

Placement: Designed for safe use on flat

Suspend funnels or test tubes above Bunsen burners

HART Resistance Tube with Safety Sleeve Black(X-Heavy) L1-Digital Technologies-L2-Robotics by Age Level-L3-Middle Primary Durable cotton-polyester cover that isLatex rubber tubes with ergonomic TPR handles. The material safety sleeves are designed to protect the rubber from nicks, cuts, UV damage and corrosion that occurs in everyday use as well as providing a safety stretch limit. Size: 1. 25m long Green Light 10mm Red Medium 11mm Blue Heavy 12mm Black X Heavy 12. 5mm Complete Set includes one of each resistance.