For International Customers, we highly recommend getting in packs of 10 to avoid high shipping costs. The Macaron series are perfect for those who enjoy the 4.0mm travel with bottom-out stem switches. When more and more users are seeking for sound switches, they start to choose 3.5mm travel switches with bottom-out stem, but dont forget there are still many users who like 4.0mm travel switches, KTT Macaron series are best choice . 7 classic macaron colors have 7 different feels , you will like it. Macaron Red KTT Switch type: Linear Material: POM, PC, and PA Operating force: 37 ± 5 gf Bottom-out force: 45 ± 5 gf Actuator pre-travel: 2.00 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Yellow KTT Switch type: Linear Material: POM, PC, and PA Operating force: 48 ± 5 gf Bottom-out force: 56 ± 5 gf Actuator pre-travel: 2.00 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Purple KTT Switch type: Linear Material: POM, PC, and PA Operating force: 58 ± 5 gf Bottom-out force: 65 ± 5 gf Actuator pre-travel: 2.00 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Pink KTT Switch type: Linear Material: POM, PC, and PA Operating force: 43 ± 5 gf Bottom-out force: 50 ± 5 gf Actuator pre-travel: 2.00 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Green KTT Switch type: Linear Material: POM, PC, and PA Operating force: 55 ± 5 gf Bottom-out force: 63 ± 5 gf Actuator pre-travel: 2.00 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Blue KTT Switch type: Tactile Material: POM, PC, and PA Operating force: 40 ± 5 gf Pressure-point force: 50 ± 5 gf Tactile position: 0.5 ± 0.3 mm Actuator pre-travel: 1.9 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm Macaron Orange KTT Switch type: Tactile Material: POM, PC, and PA Operating force: 38 ± 5 gf Pressure-point force: 50 ± 5 gf Tactile position: 1.0 ± 0.3 mm Actuator pre-travel: 1.9 ± 0.3 mm Actuator travel: 4.00 ± 0.5 mm Spring length: 18 mm