Coming in at 4" tall and 11" long, the XL Crater Sloper #1 is the Granddaddy of the XL Sloper Set. A challenging sloper with ample purchase thanks to its puckered surface. Hope you're feeling strong, because these guys gonna put up a fight. (Hold #1 of 4 in the XL Crater Set) All holds should be attached with socket head bolts and all available set screws.