Model No. 630-4265:

V-blocks Size 3 x 1-3/16 x 1-3/16"
Angle blocks Size 2-3/4 x 1-3/16 x 5/64"
Includes 3 v-blocks 10°, 15° & 30°
Includes 5 angle blocks, 1°, 2°, 3°, 4° & 5°

Model No. 630-4270:

V-blocks Size 4 x 1-1/2 x 1-1/2"
Angle blocks Size 4 x 1-1/2 x3/16"
Includes 3 v-blocks 10°, 15° & 30°
Includes 5 angle blocks, 1°, 2°, 3°, 4° & 5°