Due pulegge di distribuzione, rispettivamente con 20 e 60 denti, e un foro di 8 mm pulegge di distribuzione con due cinghie.

【Material】: Made of high-quality metal with an oxidized surface, durable, finely crafted, and with high transmission precision. 【Precise Transmission】: No slippage during operation, constant transmission ratio. 【Smooth Transmission】: No precision gears required, high transmission efficiency, and good energy saving. 【Simple Structure】: Easy to install, assemble, and disassemble. 【Wide Applications】: Widely applicable to milling machines, gear milling machines, drilling machines, gear transmission machines, and other mechanical transmission equipment.