Made of silicone rubber for durability. Easy to install and use. Compatible with Pencil 1st / 2nd Gen, 4 10.9" 2020, 10.2, 9.7, 10.5/ 11/12.9/9.7, 2019/2018 Pencil. Be patient when installing. Do not use excessive force when inserting the pen body to avoid increasing friction.
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