Sietto K_1300 Geometric Square Knob White Glass 1-1/4 in.
Sietto K_1301 Geometric Square Knob Slate Grey Glass 1-1/4 in.
Sietto K_1302 Geometric Square Knob Irid Black Glass 1-1/4 in.
Sietto M_1300 Geometric Square Knob Round White Glass 1-1/4 in.
Sietto M_1301 Geometric Square Knob Round Slate Grey Glass 1-1/4 in.
Sietto M_1302 Geometric Square Knob Round Irid Black Glass 1-1/4 in.
Sietto R_1300 Geometric Round Knob White Glass 1-1/8 in. diam.
Sietto R_1301 Geometric Round Knob Slate Grey Glass 1-1/8 in. diam.
Sietto R_1302 Geometric Round Knob Irid Black Glass 1-1/8 in. diam.