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Educational Drive Components

Ball Caster with 1/2in. Metal Ball No reviews yet Rating: none Availability: In Stock Price: $3.99 Pololu Pololu Item #: 953 - This ball caster kit includes a black ABS housing, a 1/2in. diameter metal ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets. This ball caster kit includes a black ABS housing, a 1/2in. diameter metal ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets.The total height of this ball caster is 0.53in. with no... [more info...]

Ball Caster with 1/2in. Metal Ball No reviews yet Rating: none Availability: In Stock Price: $2.19 Pololu Pololu Item #: 0-PL953 - This ball caster kit includes a black ABS housing, a 1/2in. diameter metal ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets. This ball caster kit includes a black ABS housing, a 1/2in. diameter metal ball, two spacers (1/16in. and 1/8in. thick), and two #2 screw sets.The total height of this ball caster is 0.53in. with no... [more info...]