These ribs are made from smooth finished, imported hardwood. They employ the basic shapes required for opening, shaping, curving, smoothing and trimming wet clay. RB1 - 4 1/8" Wooden Rib These ribs are made from smooth finished, imported hardwood. They employ the basic shapes required for opening, shaping, curving, smoothing and trimming wet clay. RB1$3.14 RB2 - 4 1/4" Wooden Rib These ribs are made from smooth finished, imported hardwood. They employ the basic shapes required for opening, shaping, curving, smoothing and trimming wet clay. RB2$2.84 RB3 - 4-1/4" Wooden Rib RB3$2.62 RB4 - 3-1/3" Wooden Rib RB4$2.99 RB6 - 4-1/8" Wooden Rib RB6$3.14 RB7 - 4" Wooden Rib RB7$2.84 RB5 5-3/4" Wooden Rib RB5-5$3.74 RB8 5-3/4" Wooden Rib RB8$3.74