SPECS: Size 5: 8.4/13.5 mm (0.33/0.53 in) Size 6: 10.2/15.5 mm (0.40/0.61 in) Size 7: 11.7/16.3 mm (0.46/0.64 in) Size 8: 13.5/18.3 mm (0.53/0.72 in) Size 9: 15.2/20.8 mm (0.60/0.82 in) Size 10: 17.3/23.4 mm (0.68/0.92 in) Size 11: 20.1/26.7 mm (0.79/1.05 in) Size 5 Strength: 6 kN (1349 lbf) Size 6-11 Strength: 10 kN (2248 lbf) Display Weight: 281g (9.9 oz.) DESIGN & DETAILS: No. 5-11 sized stoppers racked on an OvalWire carabiner Essential for use with any trad rack with a transverse taper Anodized by size for fast ID Equipped with durable galvanized steel cable Durable aluminum heads with steel cables Transverse taper is versatile in flares, constrictions, & parallel cracks Rounded edges allow for easy removal & cleaning