The Bug will happily handle ropes from 8.5 to 11mm. Medium to fat ropes will run through the Bug super smoothly, when chucking out for the leader or bringing up a second. But it is secure enough to grab a big whipper! The Bug can be used as an abseil device & even works well on wet ropes...perfect for the UK then! Its hot forged, rumbled & anodised to give a kind rope bearing surfaces & has a hard wearing nylon coated wire to stop it escaping. Classic belay device Ideal with medium to ‘fat’ ropes (8.5mm – 11mm) Solid holding power Smooth rope feeding action Anodised for corrosion resistance Please note the that colour supplied may not match the picture shown. If you require a specific colour then please contact us & well see what weve got.