It's made from Prime virgin HDPE lid and features a vacuum-tight EPDM seal for moisture-resistance

but that  moving up to 13mm rope

gun barrels

Blade Type: Offset

Petzl CROLL S Middle pole It's made from Prime virginThe Petzl Croll S chest ascender is a lightweight and durable tool designed for efficient rope ascents. The attachment holes ensure optimal positioning while the stainless steel wear plate reinforces the rope friction zone. Compatible with 8 to 11 mm ropes, it is a reliable and simple choice for climbers. Description Efficient and easy to use during rope ascents: used with the BASIC ascender or the ASCENSION handled ascender for rope ascents lower