PrintHeavy Duty T-Bolt Clamps Bolt Material: 8.8 Grade steel. Zinc plated. Band and Bridge Material: Stainless steel AISI 430 (Din 1.4016). Other components: Zinc plated steel Specs/Part #s Approx. Wt. Lbs. per Carton Carton Quality Range of Adjustment in Inches Model Number 3.2 50 13/16 - 29/32 CL3019039 3.26 29/32 - 1 CL3019047 3.29 1 - 1 1/16 CL3019055 6.23 1 5/16 - 1 7/16 CL3019098 6.24 1 7/16 - 1 9/16 CL3019100 6.5 1 9/16 - 1 11/16 CL3019119 6.96 1 11/16 - 1 7/8 CL3019127 7.21 1 7/8 - 2 CL3019135 3.79 25 2 - 2 5/32 CL3019143 4.25 2 5/32 - 2 5/16 CL3019151 4.31 2 5/16 - 2 1/2 CL3019160 4.52 2 1/2 - 2 11/16 CL3019178 7.22 2 11/16 - 2 7/8 CL3019186 7.49 2 7/8 - 3 1/8 CL3019194 7.61 3 1/8 - 3 11/32 CL3019207 7.9 3 11/32 - 3 9/16 CL3019215 8.14 3 9/16 - 3 13/16 CL3019223 8.38 3 13/16 - 4 3/32 CL3019231 9.33 4 3/32 - 4 3/8 CL3019240 9.55 4 3/8 - 4 3/4 CL3019258 7.40 10 5 7/8 - 6 3/8 CL3019290 8.10 6 3/8 - 6 7/8 CL3019303 9.25 6 3/8 - 8 7/8 CL3019346 9.70 8 7/8 - 9 3/8 CL3019354 10.48 15 12 7/16 - 13 CL3019485