5 Terminals 20 Detents Points 360 Degree Rotary Encoder 4 Pcs Product Name: Rotary Switch / Selector Switch; Country of Manufacture: CHINA; Material: Plastic, Metal; Net Weight: 18g Package Content: 4 Pcs x Rotary Switch; Main Color: Blue, Silver Tone; Action Type: Momentary Shaft Movement Direction: 360 Degree; Detent Points: 20; Shaft Diameter: 6mm/ 0.24" Shaft Length: 13mm/ 0.5"; Pin Numbers: 5; Mounting Diameter: 7mm/ 0.28" Features: D Shaped Shaft; Base Size(Pin not Included): 13 x 12 x 6mm/ 0.51" x 0.47" x 0.24"(L*W*T); Total Height: 30mm/1.18"