PIPE CLIPS CLOSED 3 finishes UK TERRY SPRUNG BASE Sizes 6 To 51mm Buy 2 to 25 Ten Optimum Grip sizes in a choice of Three Top Quality Finishes BRIGHT ZINC GALVANIZED FINISH HEAVY BLACK PLASTIC COATING ( This is anti scratch for the surface of the gripped item ) HEAVY WHITE PLASTIC COATING ( This is anti scratch for the surface of the gripped item ) OPTIMUM GRIP SIZES ARE AS SPECIFIED-ALL CLIPS WILL GRIP SLIGHTLY LESS OR MORE THAN THE OPTIMUM SIZE IE 6MM WILL GRIP 5 TO 8MM AND SO ON 6 mm 0.25 inch Optimum Grip 10 mm 0.375 inch Optimum Grip 13 mm 0.50 inch Optimum Grip 16 mm 0.625 inch Optimum Grip 19 mm 0.75 inch Optimum Grip 25 mm 1.00 inch Optimum Grip 28 mm 1.125 inch Optimum Grip 32 mm 1.250 inch Optimum Grip 38 mm 1.50 inch Optimum Grip 51 mm 2.