Beal Jammy Slings Black/Blue 50cm. Made from Aramid/Polyamid the Jammy is resistant to repeated folding. The Jammy especially excels when used as a Prusik belay . Specifications for Beal Jammy Slings: Manufacturer: Beal Weight: 1 lb Features of Beal Jammy: Very high resistance even in case of important warming up Very supple in order to grip even small diameter ropes Sewing protected by a heat shrunk sleeve Very high resistance to repeated folding thanks to Technora aramid Unmatched lightness compared to mechanical systems To create a prusik knot for increased security during a rope descent To create a rope clamp for quick hauling Recommended knot: Machard and braided Machard (depending on the use) The 50 cm version CANNOT be used as a Machard Package Contents: Beal Jammy Beal 492220: Jammy Slings Black/Blue 50cm Beal 492221: Jammy Slings Purple 60cm Beal 492220: Jammy Slings Black/Blue 50cm