1. Double wheels central lock casters 2. Single wheel central lock castors And according to different lock stem size and lock cam degree, they have several sub-models. Below is detail model number for twin wheels central lock casters, and single wheel central lock casters Photo Wheel Lock Stem Lock Cam Model No. Ø125mm Ø28*95mm x1 neutrals + x1 Total lock (45 o ) CLCTPRL-5-2B-1N1T Ø125mm Ø28*95mm x2 neutrals + x1 Total lock (30 o ) CLCTPRL-5-3B-2N1T Ø125mm Ø28*95mm x1 neutrals + x1direction lock+ x1 Total lock (30 o ) CLCTPRL-5-3B-1N1D1T Ø150mm Ø28*95mm x1 neutrals + x1 Total lock (45 o ) CLCTPRL-6-2B-1N1T Ø150mm Ø28*95mm x2 neutrals + x1 Total lock (30 o ) CLCTPRL-6-3B-2N1T Ø150mm Ø28*95mm x1 neutrals...
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