The Notch CE Micro Pulley features a low profile and lightweight design, making it easy to carry in the tree, and helps cut down on the bulk in climbing systems. The free-swinging side plates make it midline attachable and easy to use, while the aluminum alloy and stainless steel material helps it stand up to the rigors of the job. Scannable data matrix for track and trace capability in the Scannable app. Compatible with ropes up to 12.9mm in diameter and is CE Certified.