The holes are used to push out the leather using the round end of the metal stick

Line 20 is ideal for 5-7 oz

2 to 4 mm)

embossing and molding qualities

Colton Backpack Kit Kits_Sheaths The holes are used toMake a rugged, roll top backpack with this kit that includes all the leather pieces, hardware, and sewing tools you need, along with pattern and detailed assembly instructions with photos. Some tools are required for assembly. Specifications Dimensions: 17 x 14 x 4. 5 in. (43. 18 x 35. 56 x 11. 43 cm) Kit Level: 3 Color: Brown, Dark Brown Includes Pre Cut Leather & Felt Pieces Nickel Plate Solid Dee Rings (4) Nickel Plate Bar Buckle (1) Needles (2)