GrovTec GTSL50, Mountaineer Sling, Black, 1.25 Width, Adjustable 30 - 42, (2) Sewn In Swivels GTSL50 GrovTec's Mountaineer Slings are a great choice when setting out for your next big hunt. Complete adjustability from 30" - 42"" two 1.25" sewn in swivels and a non-slip shoulder grip" the Mountaineer sling may be the last sling you ever need to buy. Buy with confidence when choosing GrovTec.