T3 Size is 16 – 10.7mm. T5 Size is 20 – 12.4mm. 15-45mm Hollow Hole Steel Half-round Punch Cutter Tool Leather Belt Watch Band. Step 3: Use the snap pliers to clamp the clasp. Leather Round Stencil Cutting Dies Hole Punch Set for DIY Crafts Rubber 7 Sizes.
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