Telescopic Teacher Pointer Stick with Hand Lanyard, Teaching Pointer for Classroom, Hand Pointer Extendable Pointer Stick Retractable Pointer Handheld Presenter Whiteboard Pointer (Blue) sold2026 Specification: Rated voltage: DC 5V

Specification: Rated voltage: DC 5V Rotation Angle: 360 degrees (no stop point) Rotation Life: 30000+200 Cycles Contact Resistance: ≤100mΩ Insulation Resistance: ≥100MΩ Oscillation: ≤10mS pressing Operating Temperature: -30~80°C Storage Temperature: -40~85°C Package List: 10 x Rotary Encoder 10 x Nuts 10 x Washers

0 and its maximum psi is 5

Suggest hole diameter around 1"

Huawei P40

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Telescopic Teacher Pointer Stick with Hand Lanyard, Teaching Pointer for Classroom, Hand Pointer Extendable Pointer Stick Retractable Pointer Handheld Presenter Whiteboard Pointer (Blue) sold2026 Specification: Rated voltage: DC 5VTelescopic Teacher Pointer Stick with Hand Lanyard, Teaching Pointer for Classroom, Hand Pointer Extendable Pointer Stick Retractable Pointer Handheld Presenter Whiteboard Pointer (Blue) Feature: 7 Section Telescopic Stainless Steel Rod Retractable pointer, put in the bag when going out, easy to carry; 7 section stainless steel rod design, no rust, durable, and flexible adjustment. Upgraded Large Diameter Felt NIB The head diameter is 0. 43 inches.