Tamanhos de chave de fenda padrão (Imperial): * Cabeça chata:1/4", 5/16", 3/8", 7/16", 1/2"
* Phillips:#0, #1, #2, #3, #4
Tamanhos de chaves de fenda métricas: * Cabeça chata:2,0 mm, 2,5 mm, 3,0 mm, 3,5 mm, 4,0 mm, 4,5 mm, 5,0 mm, 5,5 mm, 6,0 mm
* Phillips:PH0, PH1, PH2, PH3, PH4
Outros tamanhos de chave de fenda: * Torx:T5, T6, T7, T8, T9, T10, T15, T20, T25, T30
* Allen (hexagonal):1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 1/4", 5/16"
* Robertson (quadrado):#0, #1, #2, #3, #4