This is the Hobbico Tool Bit Caddy for 1/8" Bits (shafts). New $3.49 (12% off). Features: * Made of a Grey Plastic Material. * Keeps 1/8" Shaft (bits) Organized and Easy to Find. * 40 Holes with 5 Rows of 8. * Compact size 2-3/4"L x 4-1/4"W x 3/4"Thick. * There is about 1/2" Between the Centers of Each Hole.