the material of the wheel is nylon bearing is nice roller ...

1.material of wheel is nylon which is anti-abrasive. 2.materisl of hull is iron with galvanized. 3.used for door&window 1.The material of wheel is nylon   material of the hull is iron with galvanized.2. this kind of roller mainly used for door & window. and...

1.Material: aluminium groove and PVC brush 2.Good sealing 3.durable 1.Material: aluminium groove and PVC brush2.Different colour of the groove is available. and we usually supply white,black and beige.3.Good sealing and the kind of door brush can prevent dust ,water...

1.Material of the wheel is nylon. the hull is made of iron with galvanized 1.The material of the wheel is nylon the material of the hull is iron with galvanized.2. different colour of  wheel is available.3. this kind of roller is durable and applied.and also...

1.Material:nylon bearing which is strong enough and anti-abrasive. 2.material of the hull is iron with galvanized Size of the rollerMaterial of the rollerMaterial of the hullColour 18mmnyloniron with galvanizedorange,green,white 25mmnyloniron with...

1.Material of wheel and groove are both iron with electroplating 2.durable and strong enough 1.Material of the wheel and groove are both iron with electroplating. 2.this kind of roller is easy to install and applied.Our company specilizes in aluminium accessary foe door...

1.Material of wheel is nylon, material of groove is aluminium. 2.used for door & window 3.durable and anti-abrasive 1.Material of wheel is nylon, material of groove is aluminium.2.used for door & window3.Different colour of wheel is available.4.durable and...

1.Material of the groove is aluminium,material of the wheel is nylon 2.strong enough and anti-abrasive 3.used for door&window 1.The material of wheel is nylon which is strong enough and anti-abrasive.   material of groove is aluminium2.this kind of roller can be...

1.Material of wheel is nylon, material of groove is iron with galvanized. 2.different color of wheel is available. 1.Material of wheel is nylon, material of groove is iron with galvanized or electroplating.2.different color of wheel is available.and we usually supply orange,...

1.material of the wheel is nylon material of the box is aluminium 2.different co;our of wheel is available 1.The material of the wheel is nylon .  the material of the box is is aluminium.2.different colour of the wheel is available.Our company specilizes in accessary for...