Alarm Clock Hands 1 1/16" Push on black Spade style hour and minute (27.0 mm (1-1/16")) hand, black seconds hand (28.6 mm (1- 1/8")), and red alarm hand (19.1 mm (3/4")). Hour hand hole size is 5.0 mm (13/64”), minute hand 3.2 mm (1/8”) and the alarm hand is 4.3 mm (5/32“). Supplied as a complete set only.