3M 3939 Duct Tape 1 7 8 in x 60 yd, Silver, Pack Qty 24 32998 3700 in Coolant Fed Non Coolant 3700 in Coolant Fed Non Coolant Through Standards DIN 69871 AD Shank Type Machining Taper Features Taper Ground to AT3 Tolerance or Better Promotion Restriction Not eligible for promotion Strut Channel Style Standard Slot Type Standard Slots Strut Channel Material Aluminum Gauge 12 ga Hole Spacing 2 in Center to Center Item Strut Channel Slotted Material Aluminum Style Single Slot Spacing 2 in Wall Type Slotted Holes Color Silver Load Capacity 660 lb Series FS 200 Thickness 3 32 in Finish Plain Channel Type Slotted Package Quantity 1 Series 3939 Tape Thickness 9 mil