Pcs Step:1 Gillian-0137017-NI ITEM: 1 4 3 1 1 1 2 FRAME SEAT 5 2 Instaling 4 M6*16 Step:2 Size SCREW 3 Accessories Product Assembly Instructions 4 16*2* 7 4 GASKET Size 5 1 ALLENKEY 5 Tool