Ideal 36700 Spiral Step Bit kit, 4-Piece

Ideal 36700 Spiral Step Bit 4-Piece kit, Includes: #1 (1/8?-1/2?) (36-701), #4 (3/16?-7/8?) (36-703). #9 (1/4?-1-1/8?) (36-705), #46 (1/4?-1-3/8?) (36-706), Rugged, durable molded plastic case with metal latch