These are Kailh mute microswitches. This is a set of 5. Dimensions are 6.2 x 6.2 x 7.3 mm. The diagram is from Kailh. Operation and electrical conductivity have been confirmed with a tester. ★Please inquire about combined shipping before purchasing. In some cases, the price may be reduced. 【Shipping】 They will be placed in a plastic bag and shipped via "Yu-Packet Post Mini". Masking tape will be applied directly to the switches to secure them.