The Petzl Top converts the following Petzl sit harnesses into fall arrest harnesses: Avao Sit Avao Sit Fast Falcon Falcon Mountain Sequoia SRT Comfortable construction: Widely spaced shoulder straps reduce neck chafing Thin, sliding straps provide more freedom and ease of movement The entire contact zone uses contoured foam and is lined with breathable material, making it more comfortable to work and move around Easy to put on: Connects to a loop on the back of the harness via girth hitch Connects directly to the gated attachment point on the front of the ASTRO SIT harness, or simply with a locking or semi-permanent connector on other sit harnesses Convenient adjustment system: FAST opening buckle on the left shoulder makes the harness easy to put on and take off DOUBLEBACK self-locking buckle on the right shoulder with anti-slip device, for easy adjustments that don’t slip Velcro strap can be adjusted up or down and positioned on the left or right side to hold an ASAP’SORBER energy absorber Lanyard connector parking can be added on the shoulders for fall-arrest lanyards (available as an accessory) Technical Specifications Rope Computability 10 – 13 mmStature160 – 200 cmWeight525 g Certifications CE EN 361 and CE EN 12841 type B (w/ Astro Sit, Avao Sit, Avao Sit Fast, Falcon, Falcon Mountain, Falcon Ascent, Sequoia SRT sit harnesses)