Drive Hex 7x3x5mm with Pins 1.5x5mm (4) fits Tetra18 X1,
PHTC636010Drive Hex (7x3x5mm) with Pins (1.5x5mm), Set of 4, fits Tetra18 X1, X1T, X2, X2T, K1, X1 6X6, K1 6X6
Drive Hex (7x3x5mm) with Pins (1.5x5mm), Set of 4, fits Tetra18 X1, X1T, X2, X2T, K1, X1 6X6, K1 6X6