Bessey® ClassiX™ Bar Clamp, Heavy Duty, series: GS Series, 5-1/2 in Throat Depth, 9 in Clamping Capacity, Standard Swivel, 0.775 in Spindle dia, Tempered Alloy Steel Bar, 2660 lb Clamping Pressure, T-Handle Handle, Forged Steel Handle. Bessey® ClassiX™ GSM25 GS Series Heavy Duty Bar Clamp, 5-1/2 in D Throat, 9 in Clamping, Standard Swivel